Download - Vol. 4 No. 4 Organic Building Blocks

OrganicBuilding Blocks

Vol. 4 No. 4

Acid Chlorides

Amino Acids and Amino Alcohols

Aldehydes

Alkynes

Aryl Halides

Aryl Amines

Amides

Benzyl Amines andBenzyl Halides

Carboxylic Acids

Esters

Isocyanates andIsocyanides

Ketones

Nitrostyrenes

Nitriles

Sulfonyl Chlorides

Other Sulfur-containingBuilding Blocks

Miscellaneous Building Blocks

sigma-aldrich.com

TO ORDER: Contact your local Sigma-Aldrich office (see back cover),call 1-800-558-9160 (USA), or visit sigma-aldrich.com.s

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Isoxazole-5-carbonyl chloride, 97%

63,623-1 1gC4H2ClNO2 5g

Cyclopropanecarbonyl chloride, 98%

C11,680-7 5gC4H5ClO 25g

100g

2-Ethylacryloyl chloride, 99%

58,914-4 250mgC5H7ClO

6-Chloronicotinoyl chloride, 97%

52,810-2 25gC6H3Cl2NO

Methyl adipoyl chloride, 97%

63,856-0 5gC7H11ClO3 25g

3,4,5-Trifluorobenzoyl chloride, 97%

55,947-4 1gC7H2ClF3O 5g

3-Chloro-2-fluorobenzoyl chloride, 98%

53,955-4 1gC7H3Cl2FO

6-(Trifluoromethyl)nicotinoylchloride, 97%

64,006-9 1gC7H3ClF3NO 5g

2-Fluoro-6-iodobenzoyl chloride, 97%

55,244-5 1gC7H3ClFIO 5g

Benzotriazole-1-carbonyl chloride, tech., 97%

63,391-7 1gC7H4ClN3O

2,5-Dimethylfuran-3-carbonyl chloride, 97%

53,063-8 1gC7H7O2CI 5g

4-Chlorophenylacetyl chloride, 97%

63,895-1 5gC8H6Cl2O 25g

4-Fluoro-3-methylbenzoyl chloride, 97%

59,500-4 1gC8H6ClFO 5g

2-Chlorocinnamoyl chloride, 97%

53,720-9 5gC9H6Cl2O 25g

2-Ethoxybenzoyl chloride, 97%

63,897-8 5gC9H9ClO2 25g

3,4,5-Trimethoxybenzoyl chloride, 98%

T6,980-9 25gC10H11ClO4 100g

Phthalylglycyl chloride, 96%

63,640-1 1gC10H6ClNO3

3-Methylbenzofuran-2-carbonyl chloride, 97%

54,154-0 1gC10H7ClO3 5g

3,5-Diethoxybenzoyl chloride, 97%

63,491-3 1gC11H13ClO3 5g

2,5-Diethoxybenzoyl chloride, 97%

63,898-6 1gC11H13ClO3 5gCl

O

O

O

O

OCl

O

O

Cl

O

CH3

N

O

OO

Cl

OCH3

H3CO

H3CO

O

Cl

Cl

O

O

Cl

OCl

Cl

O

CH3

F

Cl

Cl

O

O CH3H3C

OCl

NN

N

OCl

Cl

O

F

I

N

Cl

O

F3C

Cl

O

ClF

Cl

O

FF

F

ClOCH3

O

O

N

Cl

O

Cl

O

Cl

O

Cl

NO

Cl

O

Acid Chlorides

New Building Blocks for Organic Synthesis

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(S)-(+)-2-Amino-4-bromobutyric acidhydrobromide, 97%

47,698-6 1gC4H8BrNO2

D-Alloisoleucine, 97%

86,071-9 500mgC6H13NO2 1g

4-Amino-3-nitrobenzoic acid, 97%

24,811-8 5gC7H6N2O4 25g

5-Amino-2-nitrobenzoic acid

56,461-3 1gC7H6N2O4 5g

2-Amino-5-hydroxybenzoic acid, 99%

27,899-8 1gC7H7NO3 5g

5-Amino-2,2-dimethylpentanol

63,626-6 5gC7H17NO 25g

3-Amino-5-(trifluoromethyl)benzoic acid, 97%

57,951-3 1gC8H6F3NO2

2-Amino-3-bromo-5-methylbenzoic acid, 97%

63,153-1 1gC8H8BrNO2 5g

L-2-Chlorophenylglycine, 95%

63,894-3 1gC7H7NO3 5g

2-Amino-5-chloro-3-methylbenzoic acid, 97%

64,351-3 5gC8H8ClNO2 25g

2-Aminophenylacetic acid, 95%

55,283-6 1gC8H9NO2 5g

3-Amino-3-(4-chlorophenyl)propionic acid, 97%

57,335-3 1gC9H10ClNO2 5g

3-Amino-3-(2-chlorophenyl)propionic acid, 97%

57,336-1 1gC9H10ClNO2 5g

3-Amino-3-(4-fluorophenyl)propionicacid, 97%

57,341-8 1gC9H10FNO2

2-Amino-2-phenylbutyric acid, 96%

53,025-5 1gC10H13NO2 5g

3-Amino-3-(4-methylphenyl)propionic acid, 97%

57,334-5 1gC10H13NO2 5g

3-Amino-3-(4-methoxyphenyl)propionic acid, 97%

57,338-8 1gC10H13NO3

N-Boc-1-aminocyclobutanecarboxylic acid, 97%

63,080-2 1gC10H17NO4 5g

3-Amino-3-(3,4-dimethoxyphenyl)propionic acid, 97%

57,342-6 1gC11H15NO4

N-Boc-L-cyclohexylglycinol, 98%

63,754-8 1gC13H25NO3 5g

N-Boc-D-cyclohexylglycinol, 98%

63,755-6 1gC13H25NO3 5g

N-Z-D-Leucinol, 97%

55,429-4 1gC14H21NO3 5g

OHNHO

O

OHNH

O

O

OHNH

O

O

H2N OH

O

H3COOCH3

NH

O OH

OO

H2N OH

O

OCH3

H2N OH

O

CH3

OH

O

NH2

H2N OH

O

F

H2N OH

OCl

H2N OH

O

Cl

OH

O

NH2

CO2HNH2

CH3Cl

Cl

CO2H

NH2

CO2HNH2

BrH3C

CO2H

NH2F3C

HO NH2

CO2HNH2

HO

CO2H

H2N

NO2

CO2H

NH2

NO2

CO2HCH3

NH2

CO2HBr

NH3+

Br_

Amino Acids and Amino Alcohols

5-Iodo-2-furaldehyde, 97%

57,928-9 1gC5H3IO2

2-Bromo-3-pyridinecarboxaldehyde, 96%

63,214-7 1gC6H4BrNO 5g


63,828-5 1gC6H4BrNO 5g


64,410-2 1gC6H4BrNO 5g

2-Chloro-3-pyridinecarboxaldehyde, 97%

63,215-5 1gC6H4ClNO 5g

3-Chloroisonicotinaldehyde, 97%

63,674-6 1gC6H4ClNO 5g

N

Cl

O H

N Cl

H

O

N

BrH

O

N

Br

O H

N Br

H

O

OIH

O

Aldehydes





























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2-Amino-3-pyridinecarboxaldehyde, 97%63,910-9 1gC6H6N2O 5g

5-Bromo-3-fluorosalicylaldehyde, 97%

59,351-6 1gC7H4BrFO2

3-Chloro-5-fluorosalicylaldehyde, 97%

59,340-0 1gC7H4ClFO2

3-Chloro-5-fluoro-4-hydroxybenzaldehyde, 97%

63,884-6 1gC7H4ClFO2

3,5-Difluorosalicylaldehyde, 97%

47,465-7 1gC7H4F2O2

2-Methoxy-3-pyridinecarboxaldehyde, 96%63,213-9 1gC7H7NO2 5g

3,5-Dimethylpyrrole-2-carboxaldehyde, 95%64,051-4 1gC7H9NO

2,6-Difluoro-4-methoxybenzaldehyde, 97%63,180-9 1gC8H6F2O2 5g

3-Chloro-4-methylbenzaldehyde, 97%

56,323-4 1gC8H7ClO 5g

5-Chloro-2-hydroxy-3-methoxybenzaldehyde, 96%

56,941-0 1gC8H7ClO3 5g

5-Fluoro-3-methylsalicylaldehyde, 97%

59,328-1 1gC8H7FO2

Indole-4-carboxaldehyde, 97%63,242-2 1gC9H7NO 5g

Indole-6-carboxaldehyde, 97%

63,240-6 250mgC9H7NO 1g

Indole-7-carboxaldehyde, 97%

63,241-4 1gC9H7NO 5g

2,6-Dichloro-3,4-dimethoxybenzaldehyde, 97%

56,940-2 1gC9H8Cl2O 5g

2-Acetylbenzaldehyde, 95%

56,291-2 1gC9H8O2

3-Acetylbenzaldehyde, 97%

56,290-4 1gC9H8O2

2,3-Dihydrobenzofuran-5-carboxaldehyde, 97%

63,195-7 1gC9H8O2 5g

4-Ethyl-3-nitrobenzaldehyde, 97%

63,408-5 1gC9H9NO3 5g

3-[(Benzyloxycarbonyl)amino]-1-propanal, 95%

59,295-1 1gC11H13NO3

4-Butoxy-3-nitrobenzaldehyde, 97%

52,319-4 1gC11H13NO4 5g

N-(3-Formyl-2-pyridinyl)-2,2-dimethylproparamide, 97%

63,822-6 1gC11H14N2O2 5g

2,3-Diethoxybenzaldehyde, 97%

56,838-4 1gC11H14O3 5g

4-(N,N-Bis(2-hydroxyethyl)-amino)benzaldehyde, 95%

63,219-8 1gC11H15NO3 5g

N-Boc-cycloleucinal, 97%

63,758-0 1gC11H19NO3 5g

3-(Diethoxymethyl)benzaldehyde, 97%

63,583-9 1gC12H16O3 5g

2-Fluorobiphenyl-4-carboxaldehyde, 97%

54,805-7 1gC13H9FO 5g

4-Fluoro-3-phenoxybenzaldehyde, 97%

64,338-6 5gC13H9FO2 25g

(3R)-(-)-3-(1-Methyl-1H-indol-3-yl)-1-butyraldehyde (>95% ee)

59,188-2 1gC13H15NO

(3S)-(+)-3-(1-Methyl-1H-indol-3-yl)-1-butyraldehyde (>95% ee)

59,134-3 1gC13H15NO

2-(Triisopropylsilyl)oxazole-5-carboxaldehyde, 96%

64,110-3 1gC13H23NO2Si 5g

1-(Phenylsulfonyl)-3-indolecarboxaldehyde, 97%

51,641-4 500mgC15H11NO3S

(3S)-(+)-3-(Methyl-1H-indol-3-yl)-3-phenylpropanaldehyde (>95% ee)

59,101-7 1gC18H17NO

N

HO

CH3

NS O

O

OH

N

O Si[CH(CH3)2]3H

O

N

HO

CH3

H3C

N

HO

CH3

H3C

H

O

OF

H

OF

OO

H

O

NH

H

O

OO

H

O

N

OH

HO

H

O

OO

N

H

O

NH

O

H

O

NO2

O

H

O

HNO

O

H

O

NO2

O

O

H

H

O

CH3O

H

O

CH3

O

H

O

ClOCH3

Cl

H3CO

NH

HO

NH

H

O

NH

O H

H

O

OHCH3

F

H

O

OHOCH3

Cl

H3C

H

O

Cl

F

F

H3CO

H

O

NH

CH3

H3C

O

H

N OCH3

H

O

H

O

OHF

F

H

O

Cl

F

HO

H

O

OHCl

F

H

O

OHF

Br

N NH2

H

O

Aldehydes (continued)


































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Ethyl 2-pentynoate

63,211-2 5gC7H10O2 25g

3-Cyclopentyl-1-propyne, 97%

63,207-4 1gC8H12 5g

3-Cyclohexyl-1-propyne, 97%

63,206-6 1gC9H14 5g

1,3-Diethynylbenzene, 97%

63,210-4 1gC10H6 5g

1,4-Diethynylbenzene, 96%

63,209-0 5gC10H6

4-Phenyl-1-butyne, 97%

63,205-8 5gC10H10

2-Ethynyl-6-methoxynaphthalene, 97%

63,263-5 1gC13H10O 5g

5-Phthalimido-1-pentyne, 97%

64,693-8 5gC13H11NO2 25g

2,5-Dicyclohexyl-1,4-di-(1-propynyl)-benzene

63,646-0 250mgC24H30 1g

N

O

O

H3CO

O

O

Alkynes

1-Bromo-2-(2-Methoxyethoxy)ethane, 95%

63,984-2 10gC5H11BrO2 50g

4-Bromo-5-fluoro-2-iodotoluene, 97%

63,902-8 1gC7H5BrFI 5g

4-Bromo-5-fluoro-2-nitrotoluene, 97%

63,899-4 1gC7H5BrFNO2 5g

3-Fluoro-4-iodotoluene, 97%

63,515-4 1gC7H6FI 5g

4-Fluoro-2-iodotoluene, 97%

64,306-8 5gC7H6FI 25g

4-Fluorophthalic anhydride, 97%

64,137-5 5gC8H3FO3 25g

1-Bromo-4-(1,1,2,2,-tetrafluoroethoxy)benzene, 96%

34,190-8 5gC8H5BrF4O

5-Iodoindole, 98%

56,383-8 5gC8H6IN 25g

2-Bromomethyl-1,4-benzodioxane, 97%

63,264-3 1gC9H9O2Br 5g

1-Bromo-3,4,5-trimethoxybenzene, 97%

63,453-0 10gC9H11BrO3 100g

2-Hydroxy-1-iodonaphthalene, 97%

63,351-8 1gC10H7IO 5g

4-Hydroxy-3-iodobiphenyl, 95%

63,349-6 1gC12H9IO 5g

1-Bromo-2,3-dimethoxynaphthalene

64,714-4 1gC12H11BrO2 10g

1-Bromo-2,4,6-triisopropylbenzene, 98%

63,793-9 1gC15H23Br 5g

Br

BrOCH3

OCH3

I

OH

I

OH

Br

OCH3

OCH3

H3CO

O

OBr

NH

I

O

BrFF

F

FH

OF

O

O

CH3

I

F

I

FH3C

CH3

NO2

FBr

CH3

I

FBr

H3COO

Br

Aryl Halides
























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N-Methyl-N-methoxytrifluoroacetamide, 99%

64,415-3 5mlC4H6F3NO2 25ml

2-Bromoformanilide, 97%

63,099-3 1gC7H6BrNO 5g

4-Bromoformanilide, 97%

63,101-9 1gC7H6BrNO 5g

5-Bromosalicylamide, 97%

63,120-5 5gC7H6BrNO2 25g

3’-Iodo-5’-nitroacetanilide, 97%

64,435-8 1gC8H7IN2O3 10g

N-(2-Amino-4,5-dichlorophenyl)acetamide, 97%

64,170-7 5gC8H8Cl2N2O 25g

NH

ClCl

NH2

CH3

O

NH

CH3

O

O2N

I

Br

OH

NH2

O

NH

H

OBr

NH

H

O

Br

F3C N

OCH3

OCH3

Amides

2-Amino-5-iodo-3-nitropyridine, 97%

64,016-6 1gC5H4IN3O2 5g

2-Chloro-4,6-difluoroaniline, 97%

64,141-3 1gC6H4ClF2N 5g

3-Iodo-5-nitroaniline, 98%

64,581-8 5gC6H5IN2O2

4-Bromo-o-phenylenediamine, 97%

64,044-1 5gC6H7BrN2 25g

4-Bromo-2-(trifluoromethoxy)aniline, 97%

63,125-6 5gC7H5BrF3O 25g

2-Chloro-4-(trifluoromethyl)aniline, 97%

64,149-9 5gC7H5ClF3N 25g

5-Amino-2-fluorobenzonitrile, 97%

63,987-7 5gC7H5FN2 25g

5-Bromo-4-fluoro-2-methylaniline, 97%

63,903-6 1gC7H7BrFN 5g

2,4-Dichloro-N-methylaniline, 97%

63,095-0 1gC7H7Cl2N 5g

3-Bromo-N-methylaniline, 97%

63,098-5 1gC7H8BrN 5g

2-Bromo-3-methylaniline

64,562-1 5gC7H8BrN

3-Fluoro-N-methylaniline, 97%

63,096-9 1gC7H8FN 5g

3-Iodo-4-methylaniline, 97%

63,126-4 5gC7H8IN 25g

2-Amino-5-bromo-4,6-dimethylpyridine, 97%

63,420-4 1gC7H9BrN2 5g

2-Methoxy-N-methylaniline, 97%

63,092-6 1gC8H11NO 5g

3-Methoxy-N-methylaniline, 97%

63,093-4 1gC8H11NO 5g

2-Amino-4-phenylthiazole, 97%

64,275-4 1gC9H8N2S 5g

4-(1,2,4-Triazolylmethyl)aniline

64,169-3 5gC9H10N4 25g

2,4,6-Trimethyl-N-methylaniline, 97%

63,104-3 1gC10H15N 5g

N-Boc-4-aminophenol, 97%

63,594-4 5gC11H15NO3 25g

N-Boc-3-aminomethylpyridine, 97%

63,444-1 1gC11H16N2O2 5g

4-(2,2-Dicyanovinyl)-N-bis(hydroxyethyl)aniline, 95%

63,227-9 250mgC14H15N3O2 1g

4-Benzyloxy-N-methylaniline, 97%

63,103-5 1gC14H15NO 5g

N,N-Di-Boc-2-iodoaniline, 97%

64,424-2 1gC16H22INO4 10g

4-Bromo-N,N-diphenylaniline, 97%

64,383-1 5gC18H14BrN 25g

Br

N

N

O O

O

O

I

HN

CH3

O

CN

CN

NOHHO

N

NH

O

O

HN

HO

O

O

HN

CH3

CH3H3C

CH3

NN

N

H2N

N

S NH2

HN

CH3H3CO

HN

CH3

OCH3

N NH2

BrCH3

H3C

NH2

H3CI

HN

CH3F

NH2

CH3

Br

HN

CH3Br

HN

CH3

ClCl

NH2

F

Br

CH3

NH2

FCN

NH2

ClF3C

NH2

Br OCF3

NH2

Br NH2

NH2

IO2N

NH2

ClF

F

N NH2

I NO2

Aryl Amines
































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3’-Nitroacetanilide, 97%

64,425-0 5gC8H8N2O3 25g

4’-Nitro-2’-(trifluoromethyl)acetanilide, 97%

63,893-5 5gC9H7F3N2O3 25g

3-(4-Fluorophenyl)-2-propenamide, 97%

63,996-6 5gC9H8FNO 25g

4-Acetamidoacetophenone, 97%

63,136-1 5gC10H11NO2 25g

N-(3-Acetyl-4-hydroxyphenyl)butanamide, 97%

63,687-8 5gC12H15NO3 25g

2-Chloro-5-nitrobenzanilide, 97%

64,235-5 5gC13H9ClN2O3 25g

4-Aminobenzanilide, 95%

63,889-7 5gC13H12N2O 25gN

H

O

H2N

Cl

O2NNH

O

HO

NH

OH3C

O

H3C

O

NH

CH3

O

F

NH2

O

NH

CH3

OO2N

CF3

NH

CH3

O

O2N

Amides (continued)

2,5-Dichlorobenzyl bromide, 97%

54,898-7 5gC7H5BrCl2 25g

2,6-Difluorobenzyl chloride, 97%

55,995-4 5gC7H5ClF2 25g

4-Chlorobenzyl bromide, 97%

55,895-8 25gC7H6BrCl 100g

2-Iodobenzyl bromide, 97%

63,460-3 1gC7H6BrI 5g

4-(Methylthio)benzyl bromide, 97%

63,481-6 1gC8H9BrS 5g

2-Fluoro-4,5-dimethoxybenzyl chloride

52,651-7 1gC9H10ClFO2

3-Phenoxybenzyl chloride, 97%

59,093-2 1gC13H11ClO 5g

3,5-Di-(tert-butyl)-benzyl bromide

57,147-4 1gC15H23Br 5g

2,3-Difluorobenzylamine, 97%

53,861-2 5gC7H7F2N 25g

4-Bromobenzylamine, 96%

47,915-2 500mgC7H8BrN 1g

4-Iodobenzylamine hydrochloride

59,713-9 1gC7H8IN 5g

4-Cyanobenzylamine hydrochloride, 97%

63,139-6 5gC8H8N2 25g

2-Bromo-N-methylbenzylamine, 97%

63,116-7 1gC8H10BrN 5g


63,115-9 1gC8H10BrN 5g


63,114-0 1gC8H10BrN 5g

2-Chloro-N-methylbenzylamine, 97%

12,685-3 1gC8H10ClN 5g

3-Chloro-N-methylbenzylamine, 97%

63,111-6 1gC8H10ClN 5g

2-Fluoro-N-methylbenzylamine, 97%

63,109-4 1gC8H10FN 5g


63,110-8 1gC8H10FN 5g


59,384-2 1gC8H10FN 5g

3-Hydroxy-4-methoxybenzylamine hydrochloride, 97%

63,133-7 5gC8H11NO2

3-Methyl-N-methylbenzylamine, 97%

63,113-2 1gC9H13N 5g

2-Methoxy-N-methylbenzylamine, 97%

59,395-8 1gC9H13NO 5gN

HOCH3

CH3

HN CH3

H3C

H3CO

NH2

• HCl

OH

NHCH3

F

HN CH3

F

HN CH3

F

HN CH3

Cl

NH

Cl

CH3

HN CH3Br

HN CH3

Br

HN CH3

Br

NC

NH2

• HCl

• HCl

NH2

I

Br

NH2

NH2

FF

Br

Cl

O

Cl

F

H3CO

H3CO

H3CS

Br

I

Br

Br

Cl

Cl

FF

Br

Cl

Cl

Benzyl Amines and Benzyl Halides































Ben

zyl

Am

ines

an

d B

en

zyl

Hali

des

/ C

arb

oxyli

c A

cid

s


ig

ma

-a

ld

ri

ch

.c

om

6

3-Methoxy-N-methylbenzylamine, 97%

63,112-4 1gC9H13NO 5g

3,4-Dimethoxy-N-methylbenzylamine, 97%

63,108-6 1gC9H13NO2 5g

4-tert-Butylbenzylamine, 97%

63,128-0 5gC11H17N 25g

N-Boc-2-bromobenzylamine, 97%

63,406-9 1gC12H16BrNO2

N-(3,4-Methylenedioxybenzylidene)benzylamine, 97%

63,759-9 1gC15H13NO2 5g

N-Benzylidene-N-(diphenylmethyl)-amine, 97%

64,455-2 1gC20H17N 5g

N

O

O

N

NH

O

OBr

NH2

HN CH3

H3CO

H3CO

HN CH3

H3CO

Benzyl Amines and Benzyl Halides (continued)

1,3-Thiazole-4-carboxylic acid, 97%

63,365-8 1gC4H3NO2S 5g

2-Bromo-3-thiophenecarboxylic acid, 97%

63,812-9 1gC5H3BrO2S 5g

3-Bromothiophene-2-carboxylic acid, 97%

63,301-1 5gC5H3BrO2S 25g

5-Chlorothiophene-2-carboxylic acid, 97%

63,300-3 5gC5H3ClO2 25g

4-Methyl-1,3-thiazole-5-carboxylic acid, 97%

63,366-6 1gC5H5NO2S 10g

5-Methylisoxazole-4-carboxylic acid, 97%

63,377-1 1gC5H5NO3 10g

2-Bromonicotinic acid, 97%

63,246-5 1gC6H4BrNO2 5g

3-Chloroisonicotinic acid, 97%

63,341-0 1gC6H4ClNO2 5g

3-Fluoroisonicotinic acid, 97%

63,875-7 1gC6H4FNO2 10g

Ethyl 2-bromothiazole-5-carboxylate, 97%

64,249-5 1gC6H6BrNO2S 5g

4-Methylthiophene-2-carboxylic acid, 97%

63,355-0 5gC6H6O2 25g

3-Chloro-2,4,5-trifluorobenzoic acid, 97%

64,330-0 5gC7H2ClF3O2

2-Bromo-4,5-difluorobenzoic acid, 97%

63,890-0 5gC7H3BrF2O2 25g

5-Bromo-2-fluorobenzoic acid, 97%

63,645-2 1gC7H4BrFO2 5g

2-Chloro-5-iodobenzoic acid, 97%

63,173-6 5gC7H4ClIO2 25g

2-Methoxynicotinic acid, 97%

63,276-7 1gC7H7NO3 5g

4-Cyclopropyl-4-oxobutyric acid

51,460-8 500mgC7H10O3 1g

4-Chloro-2-methylbenzoic acid, 97%

63,403-4 1gC8H7ClO2 5g

2-Methyl-4-nitrobenzoic acid, 97%

63,831-5 5gC8H7NO4


63,830-7 1gC8H7NO4 5g


63,829-3 1gC8H7NO4 5g

3-4-Ethylenedioxypyrrole-2,5-dicarboxylic acid, 95%

63,720-3 500mgC8H7NO6

3-(2-Bromophenyl)propionic acid, 97%

64,391-2 5gC9H9BrO2 25g

3-(4-Bromophenyl)-1H-pyrazole-5-carboxylic acid, 97%

63,370-4 1gC10H7BrN2O 5g

NH

NHO

O

Br

Br

OH

O

NH

OO

HO

O

OH

O

NO2

O OH

CH3

CH3

O OH

O2N

CH3

O OH

NO2

CH3

Cl

O OH

OH

O

O

N

OH

O

OCH3

I

Cl

O OH

O

OH

F

Br

O OH

FF

Br

F F

OH

O

Cl

F

S

H3C

OH

O

N

SO

OBr

H3C

N

F

O OH

N

Cl

O OH

N

OH

O

Br

ON

H3C

HOO

N

S

H3C

HO

O

SClOH

O

SOH

O

Br

S Br

OH

N

S

OHO

Carboxylic Acids































Carb

oxyli

c A

cid

s /

Est

ers


rd

er

:

1.

80

0.

55

8.

91

60

T

ec

hn

ic

al

S

er

vi

ce

:

1.

80

0.

23

1.

83

27

US$ 7

3-Phenyl-5-isoxazolecarboxylic acid, 97%

63,369-0 1gC10H7NO3 5g

5-Phenyl-4-isoxazolecarboxylic acid, 97%

63,368-2 1gC10H7NO3 5g

3-Phenyl-1H-pyrazole-5-carboxylic acid, 97%

63,373-9 1gC10H8N2O2 5g

3-Chloro-4-methoxycinnamic acid, 97%

63,876-5 1gC10H9ClO3 5g

5-Amino-1-phenyl-1H-pyrazole-4-carboxylic acid, 97%

63,981-8 1gC10H9N3O2 5g

3-(3-Chloro-4-methoxyphenyl)-propionic acid, 97%

63,877-3 1gC10H11ClO3 5g

10-Bromodecanoic acid, 95%

54,139-7 5gC10H19BrO2 25g

1-Phenyl-5-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid, 97%

63,976-1 1gC11H7F3N2O2 5g

6-Phenyl-4-pyrimidinecarboxylic acid, 97%

63,367-4 1gC11H8N2O2 5g

5-Amino-1-(4-methoxyphenyl)-1H-pyrazole-4-carboxylic acid, 97%

63,978-8 1gC11H11N3O3 5g

1-(4-Methoxyphenyl)-5-(trifluoro-methyl)-1H-pyrazole-4-carboxylic acid, 97%

63,982-6 1gC12H9F3N2O3 5g

1,4,5,8-Naphthalenetetracarboxylic acid, 97%

64,150-2 5gC14H8O8 25g

4’,6’-Dimethoxy-2’-hydroxy-2-phenylacetophenone, 96%

63,062-4 1gC16H16O4 5g

16-Bromohexadecanoic acid, 99+%

56,870-8 5gC16H31BrO2

OH

OBr

OOH

OOH3C

CH3

OHO

OOH

HO O

HO O

NN

F3C

HOO

OH3C

NN

H2N

HOO

OCH3

N

NHO

O

NN

F3C

HOO

OH

OBr

OH

O

OCl

H3C

NN

H2N

HOO

OH

O

OCl

H3C

NH

NHO

O

ON

OHO

ONHO

O

Carboxylic Acids (continued)

Methyl 3-nitropropionate, 97%

31,687-3 1gC4H7NO4 5g

Methyl 6-chloronicotinate, 98%

63,117-5 1gC7H6ClNO2 5g

25g

Methyl 5-chloro-2-nitrobenzoate, 97%

57,982-3 5gC8H6ClNO4 25g

Methyl 4-hydroxy-3-iodobenzoate, 97%

63,194-9 1gC8H7IO3 5g

Methyl 5-aminosalicylate, 97%

63,643-6 1gC8H9NO3 5g

Methyl 3-amino-4-methylbenzoate, 97%

64,060-3 5gC9H11NO2 25g

Methyl 4-fluorocinnamate, 97%, predominantly trans

59,244-7 5gC10H9FO2 25g

Ethyl 2-bromo-(4-bromophenyl)acetate, 97%

63,857-9 5gC10H10Br2O2 25g

Methyl 4-vinylbenzoate, 97%

63,740-8 1gC10H10O2 5g

Methyl 3-((Z)-2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate, 97%

54,977-0 25gC10H12ClF3O2

N,N-Dibenzyl-o-serine methyl ester, 97%

54,531-7 1gC18H21NO3 5g

OCH3

O

HON

OCH3

OClF3C

OCH3

O

Br

Br

O

O

OCH3

O

F

O

OCH3

NH2

H3C

OH

OCH3

OH2N

O

HO

IOCH3

OCH3

O

NO2

Cl

NCl

OCH3

O

OCH3

O

O2N

Esters


























Iso

cyan

ate

s an

dIs

ocy

an

ides

/ K

eto

nes


ig

ma

-a

ld

ri

ch

.c

om

8

Benzhydryl isothiocyanate, 97%

59,169-6 1gC4H11NS 5g

2,4,5-Trichlorophenyl isothiocyanate, 97%

63,000-4 1gC7H2Cl3NS 5g

2-Chlorophenyl isocyanide, 97%

59,411-3 1gC7H4ClN

4-Chlorophenyl isocyanide, 97%

59,422-9 1gC7H4ClN

2-Chloro-6-methylphenyl isocyanide, 97%

59,434-2 1gC8H6ClN

2-Tolylisocyanide, 95%

59,390-7 1gC8H7N

4-Methoxyphenyl isocyanide, 97%

59,445-8 1gC8H7NO

2-4(Chlorophenethyl)isothiocyanate, 97%

59,137-8 1gC9H8ClNS 5g

2,5-Dimethylphenyl isocyanide, 95%

59,368-0 1gC9H9N

2,6-Dimethylphenyl isocyanide, 96%

59,488-1 1gC9H9N 5g

3-Ethoxyphenyl isocyanate, 97%

55,701-3 1gC9H9NO2 5g

2-Naphthyl isocyanide, 97%

59,478-4 1gC11H7N

2,5-Dimethoxyphenethyl isocyanate, 97%

57,167-9 1gC11H13NO3 5g

4-Diethylaminophenyl isocyanide, 97%

59,455-5 1gC11H14N2

Trityl isothiocyanate, 95%

59,190-4 1gC20H15NS 10g

NCS

NC

N

NCO

OCH3

H3CO

NC

NCOO

NC

CH3

CH3

N

CH3

H3CC

Cl

NCS

NC

H3CO

N

CH3

C

NC

CH3

Cl

NC

Cl

N

Cl

C

NCS

Cl

Cl

Cl

NCS

Isocyanates and Isocyanides

3’-Bromo-4’-fluoroacetophenone, 96%

33,967-9 5gC8H6BrFO 25g

2-Bromo-2’-hydroxyacetophenone, 97%

59,493-8 1gC8H7BrO2 5g

2-Bromo-3’-hydroxyacetophenone

59,470-9 1gC8H7BrO2 5g

3’-Iodo-4’-methoxyacetophenone, 97%

63,151-5 5gC9H9IO2 25g

1-(5-Bromo-2-hydroxyphenyl)-1,3-butanedione

54,636-4 1gC10H9BrO3 5g

6’-Ethoxy-2’-hydroxyacetophenone, 98%

57,920-3 1gC10H12O3 5g

2’-Hydroxy-4’-methoxypropiophenone, 97%

59,225-0 5gC10H12O3

4’,6’-Dimethoxy-2’-hydroxyacetophenone, 97%

63,058-6 5gC10H12O4

3-Allyl-4-hydroxyacetophenone, 97%

63,275-9 1gC11H12O2 5g

4’-Ethoxy-2’-hydroxy-3’-methylacetophenone, 97%

63,490-5 1gC11H14O3 5g

4-Bromoacetophenone diethyl acetal, 95%

56,859-7 1mlC12H17O2Br 5ml

2-Amino-4-bromobenzophenone, 95%

56,143-6 1gC13H10BrNO 5g

ONH2

Br

OCH3

Br

O

CH3

O

OHCH3

O

HO

CH3

O

CH3

O

OCH3

OH

H3CO

OOH

H3CO

O

CH3

OH

O

O

Br

CH3

OOH

CH3

O

IH3CO

OH

OBr

OBr

OH

O

F

CH3

Br

Ketones




























Nit

rost

yre

nes

/ N

itri

les


rd

er

:

1.

80

0.

55

8.

91

60

T

ec

hn

ic

al

S

er

vi

ce

:

1.

80

0.

23

1.

83

27

US$ 9

trans-2,4-Dichloro-β-nitrostyrene, 97%

64,216-9 1gC8H5Cl2NO2 5g


64,214-2 1gC8H5Cl2NO2 5g


64,215-0 1gC8H5Cl2NO2 5g

trans-2-Bromo-β-nitrostyrene, 95%

64,221-5 5gC8H6BrNO2

trans-3-Bromo-β-nitrostyrene, 97%

64,220-7 5gC8H6BrNO2

trans-2-Chloro-β-nitrostyrene, 97%

64,218-5 5gC8H6ClNO2

trans-3-Chloro-β-nitrostyrene

64,219-3 5gC8H6ClNO2

trans-4-Chloro-β-nitrostyrene, 97%

64,217-7 5gC8H6ClNO2

trans-2-Hydroxy-β-nitrostyrene, 97%

63,968-0 1gC8H7NO3 5g


63,967-2 1gC8H7NO3 5g


63,972-9 1gC8H7NO3 5g

trans-2-Chloro-3-hydroxy-4-methoxy-β-nitrostyrene, 97%

64,154-5 1gC9H8ClNO4 5g

trans-2-Methoxy-β-nitrostyrene, 97%

63,971-0 1gC9H9NO3 5g

trans-2-Chloro-3,4-dimethoxy-β-nitrostyrene, 97%

63,839-0 1gC10H10ClNO4

trans-3-Chloro-4,5-dimethoxy-β-nitrostyrene, 97%

64,155-3 1gC10H10ClNO4

trans-2,3-Dimethoxy-β-nitrostyrene, 97%

63,970-2 1gC10H11NO4 5g

trans-2,5-Dimethoxy-β-nitrostyrene, 97%

63,969-9 1gC10H11NO4 5g

trans-2-Benzyloxy-β-nitrostyrene, 97%

63,823-4 1gC15H13NO3 5g


63,825-0 1gC15H13NO3 5g


63,824-2 1gC15H13NO3 5g

trans-2-Chloro-3-benzyloxy-4-methoxy-β-nitrostyrene, 97%

64,153-7 1gC16H14ClNO4 5g

trans-3-Chloro-4-benzyloxy-5-methoxy-β-nitrostyrene, 97%

64,152-9 1gC16H14ClNO4 5g

trans-3,4-Dibenzyloxy-β-nitrostyrene, 97%

63,826-9 1gC22H19NO4 5g

trans-3,5-Dibenzyloxy-β-nitrostyrene, 97%

63,827-7 1gC22H19NO4

H NO2

H

O

O

H NO2

H

O O

OCl

H3CO NO2

H

H

H3COO

NO2

H

H

Cl

HNO2

HO

H NO2

H

O

H NO2

HO

NO2

H

H

O

OH3C

CH3

NO2

H

H

OCH3O

H3C

H3COCl

NO2

H

HH3CO

H NO2

H

OCH3H3CO

Cl

NO2

H

H

OCH3

H3COOH

NO2

H

H

Cl

NO2

H

H

HO

NO2

H

H

OH

NO2H

OHH

NO2

H

H

Cl

NO2

H

H

Cl

NO2

H

H

Cl

NO2

H

H

Br

NO2

H

H

Br

NO2

H

H

ClCl

NO2

H

H

Cl

Cl

NO2

H

H

ClCl

Nitrostyrenes

6-(Trifluoromethyl)nicotinonitrile, 97%

64,009-3 1gC7H3F3N2 5g

2,6-Dichloro-4-methylnicotinonitrile, 97%

64,352-1 5gC7H4Cl2N2 25g

2-Methoxy-5-pyridinecarbonitrile, 97%

64,225-8 1gC7H6N2O 5g

NH3CO

N

N ClCl

CH3 NNF3C

N

Nitriles




























Nit

rile

s /

Su

lfo

nyl

Ch

lori

des


ig

ma

-a

ld

ri

ch

.c

om

10

3-Bromo-4-methylbenzonitrile

64,239-8 5gC8H6BrN 25g

3-Chloroveratronitrile, 97%

63,993-1 5gC9H8ClNO2 25g

Benzofuran-3-acetonitrile, 95%

63,842-0 250mgC10H7NO 1g

3,5-Dimethyl-4-methoxybenzonitrile, 97%

63,881-1 1gC10H11NO 5g

5-(3,4-Dichlorophenyl)-2-furonitrile

63,122-1 1gC11H5Cl2NO 5g

5-(2-Nitrophenyl)-2-furonitrile, 97%

63,991-5 1gC11H6N2O3 5g

3-(4-Aminophenyl)-benzonitrile, 97%

64,402-1 1gC13H10N2 5g

4-(4-Aminophenyl)-benzonitrile, 95%

64,404-8 1gC13H10N2 5g

4-(3-Aminophenyl)-benzonitrile

64,405-6 1gC13H10N2 5g

(E)-α-(2,4-Dichlorophenyl)-4-fluorocinnamonitrile, 97%

59,602-7 1gC15H8Cl2FN 5g

(E)-α-(4-Fluorophenyl)-2,4-dichlorocinnamonitrile, 97%

59,657-4 1gC15H8Cl2FN 5g

(E)-α-(4-Chlorophenyl)-4-fluorocinnamonitrile, 97%

59,613-2 1gC15H9ClFN 5g

(E)-α-(4-Fluorophenyl)-4-chlorocinnamonitrile, 97%

59,646-9 1gC15H9ClFN 5g

F

NCl

Cl

NF

F

NCl

Cl

Cl Cl

NF

N

H2N

N

H2N

H2N

N

O

NO2

N

O

Cl

Cl

N

H3CO

H3C

CH3

N

O

N

ClH3CO

H3CON

BrH3C

N

Nitriles (continued)

5-Bromothiophene-2-sulfonyl chloride

63,622-3 5gC4H2BrClO2S2 25g

4-Bromo-2,6-dichlorobenzenesulfonyl chloride, 97%

55,874-5 1gC6H2BrCl3O2S 5g

4-Bromo-2,5-difluorobenzenesulfonyl chloride

63,285-6 1gC6H2BrClF2O2S 5g

2-Chloro-4-fluorobenzenesulfonyl chloride, 95%

63,891-9 1gC6H3Cl2FO2S 5g

5-Chloro-2-fluorobenzenesulfonyl chloride, 97%

55,868-0 1gC6H3Cl2FO2S

2,3-Dichlorobenzenesulfonyl chloride, 97%

54,691-7 5gC6H3Cl3O2S 25g

2-Chloro-4-(trifluoromethyl)-benzenesulfonyl chloride, 97%

63,836-6 1gC7H3Cl2F3O2S 5g

4-(trifluoromethyl)benzenesulfonyl chloride, 97%

56,584-9 1gC7H4ClF3O2S 5g

2-(Trifluoromethoxy)benzenesulfonyl chloride, 97%

57,994-7 1gC7H4ClF3O3S

3-(Trifluoromethoxy)benzenesulfonyl chloride, 97%

57,950-5 1gC7H4ClF3O3S

3-Cyanobenzenesulfonyl chloride, 97%

63,835-8 1gC7H4ClNO2S 5g

4-Cyanobenzenesulfonyl chloride, 97%

63,833-1 1gC7H4ClNO2S 5g

2-Fluoro-5-methylbenzenesulfonyl chloride, 97%

63,888-9 1gC7H6ClFO2S 5g

4-Methyl-3-nitrobenzenesulfonyl chloride, 97%

63,286-4 5gC7H6ClNO4S

m-Toluenesulfonyl chloride

56,635-7 5gC7H7ClO2S 25g

4-n-Propylbenzenesulfonyl chloride

53,938-4 5gC9H11ClO2S 25g

100gS

ClO

O

S

CH3

ClO

O

S ClO

O

H3CNO2

S ClO

O

F

H3C

S ClO

O

N

S ClO

O

N

SCl

O

O

OCF3

S

OCF3

Cl

O

O

SClO

O

F3C

SClO

O

F3C Cl

SClO

O

ClCl

SClO

O

F

Cl

S ClO

O

ClF

S ClO

O

Br

F

F

SClO

O

Br

Cl

Cl

SBr SO

O Cl

Sulfonyl Chlorides






























Su

lfo

nyl

Ch

lori

des

/ O

ther

Su

lfu

r-co

nta

inin

g

Bu

ild

ing

Blo

cks


rd

er

:

1.

80

0.

55

8.

91

60

T

ec

hn

ic

al

S

er

vi

ce

:

1.

80

0.

23

1.

83

27

US$ 11

3-(4-Methoxyphenoxy)propane sulfonyl chloride, 98%

57,551-8 1gC10H13ClO4S 5g

Pentamethylbenzenesulfonyl chloride, 97%

56,536-9 5gC11H15ClO2S 25g

Biphenyl-4-sulfonyl chloride

53,693-8 5gC12H9ClO2S 25gS

ClO

OSCl

O O

CH3

H3C

H3C CH3

CH3

O

H3CO

SClO

O

Sulfonyl Chlorides (continued)

3-(Methylthio)propylamine, 97%

63,909-5 1gC4H11NS 5g

2-(2-Methoxyethoxy)ethanethiol, 97%

63,229-5 1gC5H12O2S

1H-Benzotriazole-4-sulfonic acid, 97%

63,280-5 1gC6H5N3O3S 5g

2-Bromobenzenesulfonamide, 97%

64,460-9 1gC6H6BrNO2S 5g

N-Boc-thiourea, 97%

59,276-5 1gC6H12N2O2S 5g

4-Fluorophenylthiourea, 97%

63,294-5 1gC7H7FN2S 5g

5-Fluoro-2-mercaptobenzyl alcohol, 97%

63,924-9 1gC7H7FOS

1-Cyclohexen-1-yl trifluoromethanesulfonate, 97%

48,058-4 5gC7H9F3O3S 25g

4-Bromophenyl thioacetate, 97%

63,465-4 1gC8H7BrOS 5g

3-(Trifluoromethyl)phenylthiourea, 97%

63,293-7 1gC8H7F3N2S 5g

2,6-Dimethoxyphenyl trifluoromethanesulfonate, 97%

63,787-4 5gC9H9F3O5S 25g

Ethyl 5-fluoro-2-mercaptobenzoate, 97%

63,926-5 1gC9H9FO2S

Thiobenzylacetimidate hydrochloride, 96%

63,711-4 1gC9H11NS 5g

6-Quinolyltrifluoromethanesulfonate, 97%

63,344-5 1gC10H6F3NO3S 5g

Naphthalene-2-sulfonamide, 97%

63,407-7 1gC10H9NO2S 10g

3-(4-Methoxyphenoxy)propyl methanesulfonate, 98%

57,543-7 1gC11H16O5S 5g

9H-Carbazol-2-yl trifluoromethanesulfonate, 97%

63,920-6 1gC13H8F3NO3S 5g

4-(2-(4-Bromophenylsulfanyl)ethyl)-pyridene, 97%

64,223-1 1gC13H12BrNS 5g

2-(Phenylsulfonyl)-1,3-cycloheptadiene, 97%

55,892-3 1gC13H14O2S

Bis-(4-methoxyphenyl)disulfide, 97%

64,136-7 1gC14H14O2S2 5g

N-Boc-2-napthalenesulfonamide, 97%

63,921-4 1gC10H10Br2O2 5g

3,5-Di-tert-butylphenyl trifluoromethanesulfonate, 97%

59,322-2 1gC15H21F3O3S 10g

1,1’-Bi-2-naphthyl dimethanesulfonate, 97%

63,170-1 1gC22H18O6S2

OS

OS

CH3

O

O

O

O

CH3

OS

CF3O

O

SNH

O

OO

O

CH3

CH3

CH3

SS

OH3C

OCH3

SO

O

N

S

Br

NH

OS

CF3O

O

O

H3CO

OS

CH3

O

O

SNH2

O

O

N

OS

F3C

O

O

SCH3

NH

• HCl

SH

F

OO CH3

OS

CF3

O

O

OCH3

OH3C

NH

NH2

S

F3C

Br

S CH3

O

OS

CF3O

O

SH

F

OH

NH

NH2

SF

O NH

NH2

SO

SO

ONH2

Br

NH

NN

SO

OOH

H3CO

OSH

H3CS NH2

Other Sulfur-containing Building Blocks



























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an

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us

Bu

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Blo

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ig

ma

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ld

ri

ch

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om

12

2-Methoxyethyl chloroformate

59,229-3 5mlC4H7ClO3 25ml

250ml

1-(Dimethylamino)-2-nitroethylene, 97%

63,290-2 1gC4H8N2O2 5g

(R)-(-)-4-Penten-2-ol, 96%

55,803-6 1gC5H10O 5g

1,1-Bis(hydroxymethylcyclopropane), 95%

54,656-9 1gC5H10O2 5g

1-Dimethylamino-2-propylamine, 98%

58,818-0 10gC5H14N2 50g

2-Bromo-4,6-difluorophenol, 97%

57,946-7 1gC6H3BrF2O 5g

3,5-Dibromophenol, 97%

64,610-5 1gC6H4BrO 10g

2-Amino-4-chloro-6-nitrophenol, 97%

53,038-7 5gC6H5ClN2O3 25g

(S)-(+)-5-Hexen-2-ol, 97%

55,804-4 1gC6H12O 5g

N-Cyclohexylhydroxylamine

63,593-6 1gC6H13NO

11-Chloro-1-undecene, 97%

59,311-7 5mlC11H21Cl 25ml

2,7-Di(tert-butyl)-9-fluorenylmethyl chloroformate, 97%

55,100-7 1gC23H27ClO2

rac-trans-N,N’-Dimethylcyclohexane-1,2-diamine, 97%

63,308-9 5mlC8H18N2

HN

CH3

NH

CH3

O

ClO

Cl

HN

OH

OH

OH

NH2

NO2

Cl

OH

BrBr

OH

Br

F

F

NCH3

CH3NH2

OH

OH

OH

NO2N CH3

CH3

Cl OO

CH3

O

Miscellaneous Building Blocks

We manufacture over 40,000 products and can provide you with:NEW Rapid Pre-Clinical Custom Synthesis • Clinical cGMP Custom Manufacturing • Commercial cGMP Custom Manufacturing

We look forward to discussing your manufacturing needs!To discuss how our expertise can benefit your next scale-up project or to obtain a quote,

please call us at 800-336-9719 (USA) or visit us at www.sigma-aldrich.com/safc

France: tel. 0800 211 408 - fax 0800 031 052 • Germany: tel. 0800-51 55 000 - fax 0800-649 00 00 • Italy: tel. 02 33417310 - fax 02 38010737 • Japan: tel. 03 5796 7300 - fax 03 5796 7315 • Switzerland: tel. +41 81 755 2828 - fax +41 81 755 2815

U.K.: tel. 01747 833000 - fax 01747 833313 • USA: tel. 800 325 3010 or 314 771 5765 - fax 314 771 5757 • Email: [email protected]















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1.

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0.

55

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27

L30,017-9

C8H9F2N 1gMW 157.16

L30,018-7

C8H9F2N 1gMW 157.16

L30,022-5

C9H10F3N 1g MW 189.18

L30,023-3

C8H9F2N 1gMW 157.16

L30,024-1

C8H9F2N 1gMW 157.16

L30,027-6

C8H9F2N 1gMW 157.16

L30,029-2

C8H9Cl2N 250mgMW 190.07

L48,018-5

C14H10O3 500mgMW 226.23

L30,036-5

C11H7FN2O2 500mgMW 218.19

L30,037-3

C12H10N2O3 500mgMW 230.23

L48,020-7

C14H13NO2 500mgMW 227.27

L30,065-9

C11H7NS 500mgMW 185.25

L30,082-9

C12H10ClN 250mg MW 203.67

L30,013-6

C13H11NO2 1gMW 213.24

L30,084-5

C12H10ClNO 250mgMW 219.67

L30,034-9

C20H26N2O3S 500mgMW 374.51

L30,038-1

C22H28N2O3 500gMW 368.48

L48,023-1

C22H27BrN2O3 500mgMW 447.38

L48,026-6

C15H22N2O4S 500mgMW 326.42

L48,027-4

C15H21BrN2O4S 500mgMW 405.31

L48,028-2

C17H23BrN2O4 500mgMW 399.29

New Building Blocks Aldrich is proud to bring you the following new building blocks. Each month, we will provide a new set of building blocks

that are suitable for your medicinal and synthetic chemistry needs. If you require a building block, but do not see it on thelist, please contact [email protected]. To place an order for any of the items below, please call 800-558-9160 (USA) or contactyour local Sigma-Aldrich office.

http://www.sigma-aldrich.com/ProductLookup.html?ProdNo=L300179&Brand=ALDRICH





















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