Heterocyclic Building Blocks

6-Chloro-2-hydroxypyridine

Purity:

≥ 98%

Synonym:

6-Chloro-2-pyridone

Catalog Number:

28450

CAS Number:

16879-02-0

Purity Limit:

≥ 98%

MDL NO:

MFCD00006278

Molecular Formula:

C₅H₄ClNO

Molecular Weight:

129.55

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

Hazmat

Purity:

≥ 98% (HPLC)

Hazmat

Catalog Number:

28446

CAS Number:

14432-16-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00955617

Molecular Formula:

C₅H₃ClN₂O₃

Molecular Weight:

174.54

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

Hazmat

Purity:

≥ 99% (HPLC)

Hazmat

Catalog Number:

28448

CAS Number:

26163-03-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00955627

Molecular Formula:

C₅H₄BrClN₂

Molecular Weight:

207.46

Specification Sheet SDS
3-Bromo-2-nitropyridine

Purity:

≥ 99% (GC)

Synonym:

2-Nitro-3-bromopyridine

Catalog Number:

28445

CAS Number:

54231-33-3

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00955614

Molecular Formula:

C₅H₃BrN₂O₂

Molecular Weight:

203.0

Specification Sheet SDS
2,4-Dichloropyridine

Purity:

≥ 99% (GC)

Catalog Number:

28447

CAS Number:

26452-80-2

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00955618

Molecular Formula:

C₅H₃Cl₂N

Molecular Weight:

147.99

Specification Sheet SDS
6-Chlorochromone-2-carboxylic acid

Purity:

≥ 99%

Catalog Number:

28427

CAS Number:

5006-45-1

Purity Limit:

≥ 99%

MDL NO:

MFCD00847039

Molecular Formula:

C₁₀H₅ClO₄

Molecular Weight:

224.6

Specification Sheet SDS
2-Bromo-3-nitropyridine

Purity:

≥98.5% (GC)

Synonym:

2-Bromo-3-nitropyridine

Catalog Number:

28444

CAS Number:

19755-53-4

Purity Limit:

≥98.5% (GC)

MDL NO:

MFCD00955613

Molecular Formula:

C₅H₃BrN₂O₂

Molecular Weight:

203.0

Specification Sheet SDS
1H-Pyrrole-2-carboxylic acid, methyl ester

Purity:

≥ 97% (GC)

Synonym:

Methyl 1H-pyrrole-2-carboxylate

Catalog Number:

28422

CAS Number:

1193-62-0

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00817048

Molecular Formula:

C₆H₇NO₂

Molecular Weight:

125.13

Specification Sheet SDS
Boc-4-aminopiperidine

Purity:

99 - 100% (HPLC)

Catalog Number:

28406

CAS Number:

73874-95-0

Purity Limit:

99 - 100% (HPLC)

MDL NO:

MFCD00798171

Molecular Formula:

C₁₀H₂₀N₂O₂

Molecular Weight:

200.28

Specification Sheet SDS
6-Nitro-2,3-dihydroxyquinoxaline

Synonym:

6-Nitroquinoxaline-2,3-dione

Catalog Number:

28386

CAS Number:

2379-56-8

MDL NO:

MFCD00450194

Molecular Formula:

C₈H₅N₃O₄

Molecular Weight:

207.14

SDS
2-Chloro-5-methylpyridine

Purity:

≥ 99% (HPLC)

Synonym:

6-Chloro-3-methyl pyridine

Catalog Number:

28395

CAS Number:

18368-64-4

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00792460

Molecular Formula:

C₆H₆ClN

Molecular Weight:

127.57

Specification Sheet SDS
Ethyl 3-aminobenzofuran-2-carboxylate

Purity:

≥ 99% (GC)

Catalog Number:

28366

CAS Number:

39786-35-1

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00641330

Molecular Formula:

C₁₁H₁₁NO₃

Molecular Weight:

205.21

Specification Sheet SDS
3-Amino-2-chloro-4-methylpyridine

Purity:

≥ 98% (GC)

Synonym:

2-Chloro-3-amino-4-methylpyridine

Catalog Number:

28383

CAS Number:

133627-45-9

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00673152

Molecular Formula:

C₆H₇ClN₂

Molecular Weight:

142.59

Specification Sheet SDS
3-Chloro-2-nitropyridine

Purity:

≥ 98% (HPLC)

Catalog Number:

28350

CAS Number:

54231-32-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00490110

Molecular Formula:

C₅H₃ClN₂O₂

Molecular Weight:

158.54

Specification Sheet SDS
2-Chloro-3-iodopyridine

Purity:

≥ 99% (GC)

Synonym:

3-Iodo-2-chloropyridine

Catalog Number:

28368

CAS Number:

78607-36-0

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00661298

Molecular Formula:

C₅H₃ClIN

Molecular Weight:

239.44

Specification Sheet SDS
3-Bromo-5-hydroxypyridine

Purity:

≥ 98% (GC)

Synonym:

3-Bromo-5-pyridinol

Catalog Number:

28369

CAS Number:

74115-13-2

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00661305

Molecular Formula:

C₅H₄BrNO

Molecular Weight:

174.0

Specification Sheet SDS
3-(Bromoacetyl)coumarin

Purity:

≥97% (HPLC)

Catalog Number:

28349

CAS Number:

29310-88-1

Purity Limit:

≥97% (HPLC)

MDL NO:

MFCD00488331

Molecular Formula:

C₁₁H₇BrO₃

Molecular Weight:

267.08

Specification Sheet SDS
2,5-Dichloroisonicotinic acid

Purity:

≥ 95% (HPLC)

Synonym:

2,5-Dichloro-4-pyridinecarboxylic acid

Catalog Number:

28344

CAS Number:

88912-26-9

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00466640

Molecular Formula:

C₆H₃Cl₂NO₂

Molecular Weight:

192.0

Specification Sheet SDS
5-Aminotetrazole

Hazmat

Purity:

≥ 99% (Assay by titration, HPLC)

Synonym:

1H-1,2,3,4-tetrazol-5-amine

Hazmat

Catalog Number:

28335

CAS Number:

4418-61-5

Purity Limit:

≥ 99% (Assay by titration, HPLC)

MDL NO:

MFCD00005248

Molecular Formula:

CH₃N₅

Molecular Weight:

85.07

Specification Sheet SDS
5-Benzyl-2H-1,2,3,4-tetraazole

Purity:

≥ 98%

Catalog Number:

28334

CAS Number:

18489-25-3

Purity Limit:

≥ 98%

MDL NO:

MFCD00461542

Molecular Formula:

C₈H₈N₄

Molecular Weight:

160.18

Specification Sheet SDS
3-Aminobenzofuran-2-carboxamide

Purity:

≥ 98% (HPLC)

Catalog Number:

28329

CAS Number:

54802-10-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00457147

Molecular Formula:

C₉H₈N₂O₂

Molecular Weight:

176.17

Specification Sheet SDS
2-Acetyl-6-bromopyridine

Purity:

≥ 98% (HPLC)

Synonym:

2-Bromo-6-acetylpyridine

Catalog Number:

28308

CAS Number:

49669-13-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00272200

Molecular Formula:

C₇H₆BrNO

Molecular Weight:

200.03

Specification Sheet SDS
5-(4-Bromophenyl)furfural

Purity:

≥ 99% (HPLC)

Synonym:

5-(4-Bromophenyl)furan-2-carbaldehyde

Catalog Number:

28291

CAS Number:

20005-42-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00239387

Molecular Formula:

C₁₁H₇BrO₂

Molecular Weight:

251.08

Specification Sheet SDS
6-Chloro-7-methylchromone

Purity:

≥ 99% (HPLC)

Catalog Number:

28292

CAS Number:

67029-84-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00239401

Molecular Formula:

C₁₀H₇ClO₂

Molecular Weight:

194.62

Specification Sheet SDS
2-Bromo-3-methylpyridine

Purity:

≥ 95% (GC)

Synonym:

2-Bromo-3-picoline

Catalog Number:

28290

CAS Number:

3430-17-9

Purity Limit:

≥ 95% (GC)

MDL NO:

MFCD00239380

Molecular Formula:

C₆H₆BrN

Molecular Weight:

172.02

Specification Sheet SDS
6-Bromochromone

Purity:

≥97% (HPLC)

Catalog Number:

28289

CAS Number:

51483-92-2

Purity Limit:

≥97% (HPLC)

MDL NO:

MFCD00239369

Molecular Formula:

C₉H₅BrO₂

Molecular Weight:

225.04

Specification Sheet SDS
2,5-Dibromo-4-methylpyridine

Purity:

≥ 99% (HPLC)

Synonym:

2,5-Dibromo-4-picoline

Catalog Number:

28275

CAS Number:

3430-26-0

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234955

Molecular Formula:

C₆H₅Br₂N

Molecular Weight:

250.92

Specification Sheet SDS
3-Bromo-2-ethoxypyridine

Catalog Number:

28270

CAS Number:

57883-25-7

MDL NO:

MFCD00234309

Molecular Formula:

C₇H₈BrNO

Molecular Weight:

202.05

SDS
1-Isopropylimidazole

Purity:

≥ 99% (titration)

Catalog Number:

28263

CAS Number:

4532-96-1

Purity Limit:

≥ 99% (titration)

MDL NO:

MFCD00234239

Molecular Formula:

C₆H₁₀N₂

Molecular Weight:

110.16

Specification Sheet SDS
5-Bromoquinoline

Purity:

≥ 98% (GC)

Catalog Number:

28274

CAS Number:

4964-71-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00234481

Molecular Formula:

C₉H₆BrN

Molecular Weight:

208.06

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

Purity:

≥ 98% (HPLC)

Synonym:

2-Chloro-5-nitro-6-methylpyridine

Catalog Number:

28260

CAS Number:

22280-60-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00234160

Molecular Formula:

C₆H₅ClN₂O₂

Molecular Weight:

172.57

Specification Sheet SDS
2-Chloro-3-methylpyridine

Hazmat

Purity:

≥ 97% (GC)

Synonym:

2-Chloro-3-picoline

Hazmat

Catalog Number:

28262

CAS Number:

18368-76-8

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00234177

Molecular Formula:

C₆H₆ClN

Molecular Weight:

127.57

Specification Sheet SDS
5-Bromopyridine-2-carboxylic acid

Purity:

≥ 99% (HPLC)

Synonym:

5-Bromo-2-picolinic acid

Catalog Number:

28259

CAS Number:

30766-11-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234149

Molecular Formula:

C₆H₄BrNO₂

Molecular Weight:

202.01

Specification Sheet SDS
2-Chloro-5-hydroxypyridine

Purity:

≥ 98% (HPLC)

Synonym:

2-Chloro-5-pyridinol

Catalog Number:

28255

CAS Number:

41288-96-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00234050

Molecular Formula:

C₅H₄ClNO

Molecular Weight:

129.55

Specification Sheet SDS
2-Amino-6-chloropyridine

Purity:

≥ 99% (HPLC)

Synonym:

2-Chloro-6-aminopyridine

Catalog Number:

28256

CAS Number:

45644-21-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234068

Molecular Formula:

C₅H₅ClN₂

Molecular Weight:

128.56

Specification Sheet SDS
2,3-Dibromopyridine

Purity:

≥ 99% (HPLC)

Catalog Number:

28249

CAS Number:

13534-89-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234014

Molecular Formula:

C₅H₃Br₂N

Molecular Weight:

236.89

Specification Sheet SDS
3,4-Dibromopyridine

Catalog Number:

28250

CAS Number:

13534-90-2

MDL NO:

MFCD00234016

Molecular Formula:

C₅H₃Br₂N

Molecular Weight:

236.89

Specification Sheet SDS
3-Bromo-2-chloropyridine

Purity:

≥ 99% (HPLC)

Synonym:

2-Chloro-3-bromopyridine

Catalog Number:

28244

CAS Number:

52200-48-3

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234007

Molecular Formula:

C₅H₃BrClN

Molecular Weight:

192.44

Specification Sheet SDS
2-Bromo-5-chloropyridine

Purity:

≥ 97% (GC)

Synonym:

5-Chloro-2-bromopyridine

Catalog Number:

28243

CAS Number:

40473-01-6

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00234006

Molecular Formula:

C₅H₃BrClN

Molecular Weight:

192.44

Specification Sheet SDS
2,3,5-Tribromopyridine

Purity:

≥ 98% (GC)

Catalog Number:

28242

CAS Number:

75806-85-8

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00233999

Molecular Formula:

C₅H₂Br₃N

Molecular Weight:

315.79

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

Purity:

≥ 99% (HPLC)

Synonym:

2-Chloro-3-bromo-5-nitropyridine

Catalog Number:

28239

CAS Number:

5470-17-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00233989

Molecular Formula:

C₅H₂BrClN₂O₂

Molecular Weight:

237.44

Specification Sheet SDS
3,6-Dibromopyridazine

Purity:

≥ 98% (GC)

Catalog Number:

28238

CAS Number:

17973-86-3

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00233947

Molecular Formula:

C₄H₂Br₂N₂

Molecular Weight:

237.88

Specification Sheet SDS
2-Bromo-3,5-dichloropyridine

Purity:

≥ 98% (GC)

Synonym:

3,5-Dichloro-2-bromopyridine

Catalog Number:

28240

CAS Number:

14482-51-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00233990

Molecular Formula:

C₅H₂BrCl₂N

Molecular Weight:

226.89

Specification Sheet SDS
(2-Benzothiazolylthio)acetic acid

Purity:

≥ 98% (Titration)

Synonym:

2-(1,3-Benzothiazol-2-ylsulfanyl)acetic acid

Catalog Number:

28228

CAS Number:

6295-57-4

Purity Limit:

≥ 98% (Titration)

MDL NO:

MFCD00227391

Molecular Formula:

C₉H₇NO₂S₂

Molecular Weight:

225.29

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

Hazmat

Purity:

≥ 98% (GC)

Synonym:

2-Chloro-3-nitro-5-bromopyridine

Hazmat

Catalog Number:

28225

CAS Number:

67443-38-3

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00222270

Molecular Formula:

C₅H₂BrClN₂O₂

Molecular Weight:

237.44

Specification Sheet SDS
6-Methylchromone

Purity:

≥ 99% (GC)

Catalog Number:

28220

CAS Number:

38445-23-7

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00218598

Molecular Formula:

C₁₀H₈O₂

Molecular Weight:

160.17

Specification Sheet SDS
2-Chloro-1,3-thiazole

Purity:

≥ 95% (GC)

Synonym:

2-Chlorothiazole

Catalog Number:

28201

CAS Number:

3034-52-4

Purity Limit:

≥ 95% (GC)

MDL NO:

MFCD00210701

Molecular Formula:

C₃H₂ClNS

Molecular Weight:

119.58

Specification Sheet SDS
3-Amino-2,5-dichloropyridine

Hazmat

Purity:

≥ 99% (GC)

Synonym:

2,5-Dichloro-3-aminopyridine

Hazmat

Catalog Number:

28193

CAS Number:

78607-32-6

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00204157

Molecular Formula:

C₅H₄Cl₂N₂

Molecular Weight:

163.01

Specification Sheet SDS
2-Bromo-5-methylpyridine

Purity:

≥ 99% (GC)

Synonym:

5-Methyl-2-bromopyridine

Catalog Number:

28196

CAS Number:

3510-66-5

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00209553

Molecular Formula:

C₆H₆BrN

Molecular Weight:

172.02

Specification Sheet SDS
3-Cyano-6-methylchromone

Purity:

≥ 99.5% (HPLC)

Synonym:

6-Methyl-3-cyanochromone

Catalog Number:

28178

CAS Number:

50743-18-5

Purity Limit:

≥ 99.5% (HPLC)

MDL NO:

MFCD00191962

Molecular Formula:

C₁₁H₇NO₂

Molecular Weight:

185.18

Specification Sheet SDS

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