Heterocyclic Building Blocks

6-Chlorochromone

Purity:

≥ 99% (HPLC)

Synonym:

6-Chloro-4H-chromen-4-one

Catalog Number:

28175

CAS Number:

33533-99-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00191904

Molecular Formula:

C₉H₅ClO₂

Molecular Weight:

180.59

Specification Sheet SDS
4-Chloropyridine-2-carboxylic acid

Purity:

≥ 97% (HPLC)

Synonym:

4-Chloro-2-picolinic acid

Catalog Number:

28167

CAS Number:

5470-22-4

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00191400

Molecular Formula:

C₆H₄ClNO₂

Molecular Weight:

157.56

Specification Sheet SDS
2-Chloro-4-cyanopyridine

Purity:

≥ 98% (HPLC)

Synonym:

2-Chloro-4-pyridinecarbonitrile

Catalog Number:

28142

CAS Number:

33252-30-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00174318

Molecular Formula:

C₆H₃ClN₂

Molecular Weight:

138.56

Specification Sheet SDS
2-Bromo-6-chloropyridine

Purity:

≥ 98% (HPLC)

Catalog Number:

28148

CAS Number:

5140-72-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00181262

Molecular Formula:

C₅H₃BrClN

Molecular Weight:

192.44

Specification Sheet SDS
4-Imidazolecarboxaldehyde

Purity:

≥ 99% (HPLC)

Synonym:

5-Imidazolecarboxaldehyde

Catalog Number:

28139

CAS Number:

3034-50-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00173726

Molecular Formula:

C₄H₄N₂O

Molecular Weight:

96.09

Specification Sheet SDS
8-Hydroxyquinoline-2-carboxylic acid

Purity:

≥ 99% (HPLC)

Catalog Number:

28133

CAS Number:

1571-30-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00168972

Molecular Formula:

C₁₀H₇NO₃

Molecular Weight:

189.17

Specification Sheet SDS
2-Chloro-3-methyl-5-nitropyridine

Purity:

≥ 99% (GC)

Synonym:

2-Chloro-5-nitro-3-picoline

Catalog Number:

28138

CAS Number:

22280-56-4

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00173686

Molecular Formula:

C₆H₅ClN₂O₂

Molecular Weight:

172.57

Specification Sheet SDS
Triazolylaniline

Purity:

≥ 99% (HPLC)

Catalog Number:

28135

CAS Number:

6523-49-5

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00171470

Molecular Formula:

C₈H₈N₄

Molecular Weight:

160.18

Specification Sheet SDS
5-Bromo-2-nitropyridine

Purity:

≥ 98% (HPLC)

Catalog Number:

28119

CAS Number:

39856-50-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00160411

Molecular Formula:

C₅H₃BrN₂O₂

Molecular Weight:

203.0

Specification Sheet SDS
2-Bromo-4-nitropyridine N-oxide

Purity:

≥ 98% (HPLC)

Catalog Number:

28121

CAS Number:

52092-43-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00160743

Molecular Formula:

C₅H₃BrN₂O₃

Molecular Weight:

218.99

Specification Sheet SDS
5-Bromothiophene-2-carboxylic acid

Purity:

≥ 97% (HPLC)

Synonym:

2-Bromo-5-carboxythiophene

Catalog Number:

27864

CAS Number:

7311-63-9

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00079725

Molecular Formula:

C₅H₃BrO₂S

Molecular Weight:

207.05

Specification Sheet SDS
3,5-Dibromopyridine N-oxide

Purity:

≥ 98% (GC)

Catalog Number:

28122

CAS Number:

2402-99-5

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00160750

Molecular Formula:

C₅H₃Br₂NO

Molecular Weight:

252.89

Specification Sheet SDS
4-Nitro-1H-pyrazole

Purity:

≥ 99% (HPLC)

Synonym:

4-Nitropyrazole

Catalog Number:

28112

CAS Number:

2075-46-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00159626

Molecular Formula:

C₃H₃N₃O₂

Molecular Weight:

113.08

Specification Sheet SDS
2,3-Diamino-5-bromo-6-methylpyridine

Purity:

≥ 99% (GC)

Synonym:

2,3-Diamino-5-bromo-6-picoline

Catalog Number:

28116

CAS Number:

59352-90-8

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00160167

Molecular Formula:

C₆H₈BrN₃

Molecular Weight:

202.05

Specification Sheet SDS
3-Nitro-1H-pyrazole

Purity:

≥ 98% (Assay)

Synonym:

3-Nitropyrazole

Catalog Number:

28111

CAS Number:

26621-44-3

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00159621

Molecular Formula:

C₃H₃N₃O₂

Molecular Weight:

113.08

Specification Sheet SDS
2,3-Dichloropyridine-5-carboxylic acid

Purity:

≥ 99% (HPLC)

Synonym:

5,6-Dichloronicotinic acid

Catalog Number:

27836

CAS Number:

41667-95-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00075181

Molecular Formula:

C₆H₃Cl₂NO₂

Molecular Weight:

192.0

Specification Sheet SDS
Methyl 6-chloro-2-pyridinecarboxylate

Purity:

≥ 99% (HPLC)

Synonym:

6-Chloro-2-picolinic acid methyl ester

Catalog Number:

28103

CAS Number:

6636-55-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00155391

Molecular Formula:

C₇H₆ClNO₂

Molecular Weight:

171.58

Specification Sheet SDS
2-Chloro-6-pyridinecarboxylic acid

Purity:

≥ 98% (GC)

Synonym:

6-Chloropicolinic acid

Catalog Number:

28102

CAS Number:

4684-94-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00155390

Molecular Formula:

C₆H₄ClNO₂

Molecular Weight:

157.56

Specification Sheet SDS
2-Chloro-6-(trichloromethyl)pyridine

Hazmat

Purity:

≥ 98% (Assay)

Synonym:

Nitrapyrin

Hazmat

Catalog Number:

27826

CAS Number:

1929-82-4

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00072500

Molecular Formula:

C₆H₃Cl₄N

Molecular Weight:

230.91

Specification Sheet SDS
Thiophene-3-carbonitrile

Purity:

≥ 97% (GC)

Synonym:

3-Cyanothiophene

Catalog Number:

28089

CAS Number:

1641-09-4

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00151852

Molecular Formula:

C₅H₃NS

Molecular Weight:

109.15

Specification Sheet SDS
2-Bromo-4-methylpyridine

Purity:

≥ 99% (GC)

Synonym:

2-Bromo-4-picoline

Catalog Number:

27873

CAS Number:

4926-28-7

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00082590

Molecular Formula:

C₆H₆BrN

Molecular Weight:

172.02

Specification Sheet SDS
2-Amino-3,5-dibromo-6-methylpyridine

Purity:

≥ 99% (HPLC)

Synonym:

2-Amino-3,5-dibromo-6-picoline

Catalog Number:

27804

CAS Number:

91872-10-5

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00068229

Molecular Formula:

C₆H₆Br₂N₂

Molecular Weight:

265.94

Specification Sheet SDS
1-Benzyl-3-piperidone hydrochloride hydrate

Catalog Number:

28057

CAS Number:

50606-58-1

MDL NO:

MFCD00150096

Molecular Formula:

C₁₂H₁₅NO·HCl·H₂O

Molecular Weight:

243.73

SDS
4-Bromo-1H-pyrazole

Purity:

≥ 99% (GC)

Synonym:

4-Bromopyrazole

Catalog Number:

27841

CAS Number:

2075-45-8

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00075602

Molecular Formula:

C₃H₃BrN₂

Molecular Weight:

146.98

Specification Sheet SDS
3-Formyl-6-methylchromone

Purity:

≥ 98% (GC)

Catalog Number:

27976

CAS Number:

42059-81-4

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00138943

Molecular Formula:

C₁₁H₈O₃

Molecular Weight:

188.18

Specification Sheet SDS
1-(2-Hydroxyethyl)piperidine

Synonym:

N-Piperidineethanol

Catalog Number:

27966

CAS Number:

3040-44-6

MDL NO:

MFCD00006512

Molecular Formula:

C₇H₁₅NO

Molecular Weight:

129.2

SDS
2-Chloro-6-methoxy-3-nitropyridine

Purity:

≥ 99% (HPLC)

Synonym:

2-Chloro-3-nitro-6-methoxypyridine

Catalog Number:

27945

CAS Number:

38533-61-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00130268

Molecular Formula:

C₆H₅ClN₂O₃

Molecular Weight:

188.57

Specification Sheet SDS
1-Methyl-1H-tetraazole

Purity:

≥ 98% (GC)

Synonym:

1-Methyl-1H-1,2,3,4-tetrazole

Catalog Number:

27941

CAS Number:

16681-77-9

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00129972

Molecular Formula:

C₂H₄N₄

Molecular Weight:

84.08

Specification Sheet SDS
N,N-Dicyclohexyl-4-morpholinecarboxamidine

Purity:

≥ 98% (Assay)

Catalog Number:

27758

CAS Number:

4975-73-9

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00063252

Molecular Formula:

C₁₇H₃₁N₃O

Molecular Weight:

293.45

Specification Sheet SDS
2-Amino-3,5-dichloro-4-methylpyridine

Purity:

≥ 97% (HPLC)

Synonym:

2-Amino-3,5-dichloro-4-picoline

Catalog Number:

27937

CAS Number:

31430-47-4

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00129031

Molecular Formula:

C₆H₆Cl₂N₂

Molecular Weight:

177.03

Specification Sheet SDS
2-Amino-5-chloro-3-picoline

Purity:

≥ 97% (GC)

Synonym:

2-Amino-3-methyl-5-chloropyridine

Catalog Number:

27936

CAS Number:

20712-16-7

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00129030

Molecular Formula:

C₆H₇ClN₂

Molecular Weight:

142.59

Specification Sheet SDS
3,5-Dibromo-4-methylpyridine

Purity:

≥ 98% (GC)

Synonym:

4-Methyl-3,5-dibromopyridine

Catalog Number:

27925

CAS Number:

3430-23-7

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00128859

Molecular Formula:

C₆H₅Br₂N

Molecular Weight:

250.92

Specification Sheet SDS
2-Amino-3,5-dichloro-6-methylpyridine

Purity:

≥ 98% (HPLC)

Synonym:

6-Amino-3,5-dichloro-2-picoline

Catalog Number:

27935

CAS Number:

22137-52-6

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00129029

Molecular Formula:

C₆H₆Cl₂N₂

Molecular Weight:

177.03

Specification Sheet SDS
1-Propyl-1H-imidazole

Purity:

≥ 99% (assay)

Synonym:

n-Propylimidazole

Catalog Number:

27748

CAS Number:

35203-44-2

Purity Limit:

≥ 99% (assay)

MDL NO:

MFCD00060494

Molecular Formula:

C₆H₁₀N₂

Molecular Weight:

110.16

Specification Sheet SDS
2-Chloro-5-chloromethylpyridine

Hazmat

Purity:

≥ 98% (GC)

Hazmat

Catalog Number:

27917

CAS Number:

70258-18-3

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00125366

Molecular Formula:

C₆H₅Cl₂N

Molecular Weight:

162.02

Specification Sheet SDS
3-Amino-2,6-dibromopyridine

Purity:

≥ 98% (GC)

Synonym:

2,6-Dibromo-3-aminopyridine

Catalog Number:

27927

CAS Number:

39856-57-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00128862

Molecular Formula:

C₅H₄Br₂N₂

Molecular Weight:

251.91

Specification Sheet SDS
4-Bromo-3,5-dimethylisoxazole

Purity:

≥ 99% (GC)

Synonym:

3,5-Dimethyl-4-bromoisoxazole

Catalog Number:

27803

CAS Number:

10558-25-5

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00068187

Molecular Formula:

C₅H₆BrNO

Molecular Weight:

176.01

Specification Sheet SDS
2-Amino-3-bromo-5-methylpyridine

Purity:

≥ 97% (GC)

Synonym:

2-Amino-3-bromo-5-picoline

Catalog Number:

27806

CAS Number:

17282-00-7

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00068231

Molecular Formula:

C₆H₇BrN₂

Molecular Weight:

187.04

Specification Sheet SDS
3,5-Dichloro-2-hydroxypyridine

Purity:

≥ 99% (HPLC)

Catalog Number:

27919

CAS Number:

5437-33-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00126915

Molecular Formula:

C₅H₃Cl₂NO

Molecular Weight:

163.99

Specification Sheet SDS
5-Chloro-2-hydroxy-3-nitropyridine

Purity:

≥ 97% (HPLC)

Synonym:

2-Hydroxy-3-nitro-5-chloropyridine

Catalog Number:

27913

CAS Number:

21427-61-2

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00114884

Molecular Formula:

C₅H₃ClN₂O₃

Molecular Weight:

174.54

Specification Sheet SDS
5-Chloro-2-benzothiazolinone

Purity:

≥ 99% (GC)

Synonym:

5-Chlorobenzothiazolone

Catalog Number:

27747

CAS Number:

20600-44-6

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00060125

Molecular Formula:

C₇H₄ClNOS

Molecular Weight:

185.63

Specification Sheet SDS
2-Amino-5-chloro-3-nitropyridine

Purity:

≥ 97.5% (HPLC)

Catalog Number:

27902

CAS Number:

5409-39-2

Purity Limit:

≥ 97.5% (HPLC)

MDL NO:

MFCD00092011

Molecular Formula:

C₅H₄ClN₃O₂

Molecular Weight:

173.56

Specification Sheet SDS
2-Amino-1,3-benzothiazole-6-carboxylic acid ethyl ester

Purity:

≥ 98% (HPLC)

Synonym:

Ethyl 2-amino-benzothiazole-6-carboxylate

Catalog Number:

27909

CAS Number:

50850-93-6

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00102724

Molecular Formula:

C₁₀H₁₀N₂O₂S

Molecular Weight:

222.27

Specification Sheet SDS
2-Amino-5-bromo-4-methyl-3-nitropyridine

Purity:

≥ 97% (HPLC)

Synonym:

2-Amino-3-nitro-5-bromo-4-picoline

Catalog Number:

27903

CAS Number:

100367-40-6

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00092197

Molecular Formula:

C₆H₆BrN₃O₂

Molecular Weight:

232.04

Specification Sheet SDS
2-Bromo-6-pyridinecarboxylic acid

Purity:

≥ 98% (HPLC)

Synonym:

6-Bromopicolinic acid

Catalog Number:

27904

CAS Number:

21190-87-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00093197

Molecular Formula:

C₆H₄BrNO₂

Molecular Weight:

202.01

Specification Sheet SDS
3-Methyl-1-benzofuran-2-carboxylic acid

Purity:

≥ 99% (HPLC)

Catalog Number:

27749

CAS Number:

24673-56-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00060511

Molecular Formula:

C₁₀H₈O₃

Molecular Weight:

176.17

Specification Sheet SDS
2-n-Propylimidazole

Purity:

≥ 99% (Assay)

Synonym:

2-Propyl-1H-imidazole

Catalog Number:

27740

CAS Number:

50995-95-4

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00059158

Molecular Formula:

C₆H₁₀N₂

Molecular Weight:

110.16

Specification Sheet SDS
2-Bromo-6-methoxypyridine

Purity:

≥ 98% (GC)

Synonym:

2-Methoxy-6-bromo pyridine

Catalog Number:

27894

CAS Number:

40473-07-2

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00088345

Molecular Formula:

C₆H₆BrNO

Molecular Weight:

188.02

Specification Sheet SDS
6-Nitro-1,4-benzodioxane

Purity:

≥ 98% (HPLC)

Synonym:

3,4-Ethylenedioxynitrobenzene

Catalog Number:

27895

CAS Number:

16498-20-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00088689

Molecular Formula:

C₈H₇NO₄

Molecular Weight:

181.15

Specification Sheet SDS
2-Chloro-5-cyanopyridine

Hazmat

Purity:

≥ 97% (HPLC)

Synonym:

6-Chloro-3-cyanopyridine

Hazmat

Catalog Number:

27882

CAS Number:

33252-28-7

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00084941

Molecular Formula:

C₆H₃ClN₂

Molecular Weight:

138.56

Specification Sheet SDS

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