Heterocyclic Building Blocks

6-Nitrochromone

Purity:

≥ 99% (GC)

Synonym:

6-Nitro-4H-chromen-4-one

Catalog Number:

26006

CAS Number:

51484-05-0

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD02954226

Molecular Formula:

C₉H₅NO₄

Molecular Weight:

191.14

Specification Sheet SDS
3-Bromochromone

Purity:

≥ 98% (HPLC)

Synonym:

3-Bromo-4H-chromene-4-one

Catalog Number:

26007

CAS Number:

49619-82-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00017337

Molecular Formula:

C₉H₅BrO₂

Molecular Weight:

225.04

Specification Sheet SDS
6,8-Dichloro-3-cyanochromone

Purity:

≥ 98% (HPLC)

Synonym:

6,8-Dichloro-4-oxo-4H-chromene-3-carbonitrile

Catalog Number:

25996

CAS Number:

72798-32-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00192004

Molecular Formula:

C₁₀H₃Cl₂NO₂

Molecular Weight:

240.05

Specification Sheet SDS
6-Bromochromone-2-carboxylic acid

Purity:

≥ 99.5% (HPLC)

Synonym:

6-Bromo-4-oxochromene-2-carboxylic acid

Catalog Number:

25999

CAS Number:

51484-06-1

Purity Limit:

≥ 99.5% (HPLC)

MDL NO:

MFCD01242619

Molecular Formula:

C₁₀H₅BrO₄

Molecular Weight:

269.05

Specification Sheet SDS
3-Cyanochromone

Purity:

≥ 98% (HPLC)

Synonym:

4-Oxo-4H-1-benzopyran-3-carbonitrile

Catalog Number:

25994

CAS Number:

50743-17-4

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00052604

Molecular Formula:

C₁₀H₅NO₂

Molecular Weight:

171.15

Specification Sheet SDS
6-Bromo-3-cyanochromone

Purity:

≥ 99% (HPLC)

Synonym:

6-Bromo-4-oxo-4H-chromene-3-carbonitrile

Catalog Number:

25995

CAS Number:

52817-13-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00191842

Molecular Formula:

C₁₀H₄BrNO₂

Molecular Weight:

250.05

Specification Sheet SDS
4-Methylthiazole-5-carboxylic acid

Purity:

≥ 97% (Assay by Titration)

Catalog Number:

25977

CAS Number:

20485-41-0

Purity Limit:

≥ 97% (Assay by Titration)

MDL NO:

MFCD00626872

Molecular Formula:

C₅H₅NO₂S

Molecular Weight:

143.17

Specification Sheet SDS
6-Bromo-3-formylchromone

Purity:

≥ 98% (HPLC)

Synonym:

6-Bromo-4-oxo-4H-chromene-3-carbaldehyde

Catalog Number:

25990

CAS Number:

52817-12-6

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00191849

Molecular Formula:

C₁₀H₅BrO₃

Molecular Weight:

253.05

Specification Sheet SDS
3-Phenylisoxazole-5-carboxylic acid

Purity:

≥ 98% (HPLC)

Catalog Number:

25978

CAS Number:

14442-12-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01936010

Molecular Formula:

C₁₀H₇NO₃

Molecular Weight:

189.17

Specification Sheet SDS
2-Amino-3-cyanothiophene

Purity:

≥ 99% (HPLC)

Synonym:

2-Aminothiophene-3-carbonitrile

Catalog Number:

25969

CAS Number:

4651-82-5

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00706298

Molecular Formula:

C₅H₄N₂S

Molecular Weight:

124.17

Specification Sheet SDS
4-(1-Pyrrolidino)benzaldehyde

Purity:

≥ 99% (HPLC)

Synonym:

1-(4-Formylphenyl)pyrrolidine

Catalog Number:

25968

CAS Number:

51980-54-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00015469

Molecular Formula:

C₁₁H₁₃NO

Molecular Weight:

175.23

Specification Sheet SDS
2-Chloro-4,6-dimethylpyridine-3-carbonitrile

Synonym:

2-Chloro-3-cyano-4,6-dimethylpyridine

Catalog Number:

25965

CAS Number:

14237-71-9

MDL NO:

MFCD00051676

Molecular Formula:

C₈H₇ClN₂

Molecular Weight:

166.61

SDS
1-(Chloroacetyl)pyrrolidine

Purity:

≥ 98% (GC)

Synonym:

2-Chloro-1-(1-pyrrolidinyl)ethanone

Catalog Number:

25943

CAS Number:

20266-00-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD01217237

Molecular Formula:

C₆H₁₀ClNO

Molecular Weight:

147.6

Specification Sheet SDS
2-Chloro-6-methylbenzo[d]thiazole

Purity:

≥ 97% (HPLC)

Catalog Number:

25929

CAS Number:

3507-26-4

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD04448821

Molecular Formula:

C₈H₆ClNS

Molecular Weight:

183.66

Specification Sheet SDS
2-Chloro-6-methoxy-1,3-benzothiazole

Purity:

≥ 99% (HPLC)

Catalog Number:

25930

CAS Number:

2605-14-3

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00671510

Molecular Formula:

C₈H₆ClNOS

Molecular Weight:

199.66

Specification Sheet SDS
2,3-Dihydroxyquinoxaline

Purity:

≥ 99% (HPLC)

Synonym:

2,3-Quinoxalinediol

Catalog Number:

25906

CAS Number:

15804-19-0

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00006723

Molecular Formula:

C₈H₆N₂O₂

Molecular Weight:

162.15

Specification Sheet SDS
Ethyl 3-aminopyrazole-4-carboxylate

Purity:

≥ 99% (GC)

Synonym:

3-Amino-4-carbethoxypyrazole

Catalog Number:

25900

CAS Number:

6994-25-8, 19750-02-8

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005238

Molecular Formula:

C₆H₉N₃O₂

Molecular Weight:

155.16

Specification Sheet SDS
6-Bromo-2H-1,4-benzoxazin-3(4H)-one

Purity:

≥ 99% (HPLC)

Catalog Number:

25898

CAS Number:

24036-52-0

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00461173

Molecular Formula:

C₈H₆BrNO₂

Molecular Weight:

228.04

Specification Sheet SDS
2,3-Dichloroquinoxaline

Hazmat

Purity:

≥ 98% (HPLC)

Hazmat

Catalog Number:

25905

CAS Number:

2213-63-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00006720

Molecular Formula:

C₈H₄Cl₂N₂

Molecular Weight:

199.04

Specification Sheet SDS
2-Chloro-5-iodopyridine

Purity:

≥ 99% (GC)

Catalog Number:

25903

CAS Number:

69045-79-0

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD01863635

Molecular Formula:

C₅H₃ClIN

Molecular Weight:

239.44

Specification Sheet SDS
2-Acetylamino-5-bromopyridine

Purity:

≥ 98% (HPLC)

Synonym:

N-(5-Bromo-2-pyridinyl)-acetamide

Catalog Number:

25899

CAS Number:

7169-97-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00468968

Molecular Formula:

C₇H₇BrN₂O

Molecular Weight:

215.05

Specification Sheet SDS
6-Acetyl-2H-1,4-benzoxazin-3(4h)-one

Purity:

≥ 99% (HPLC)

Catalog Number:

25861

CAS Number:

26518-71-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD01321313

Molecular Formula:

C₁₀H₉NO₃

Molecular Weight:

191.19

Specification Sheet SDS
6-(2-Chloroacetyl)-2H-1,4-benzoxazin-3(4H)-one

Purity:

≥ 97% (HPLC)

Catalog Number:

25860

CAS Number:

26518-76-3

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD01321312

Molecular Formula:

C₁₀H₈ClNO₃

Molecular Weight:

225.63

Specification Sheet SDS
(2H)1,4-Benzothiazin-3(4H)-one

Purity:

≥ 99% (HPLC)

Synonym:

3,4-Dihydro-2H-1,4-benzothiazin-3-one

Catalog Number:

25858

CAS Number:

5325-20-2

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00006698

Molecular Formula:

C₈H₇NOS

Molecular Weight:

165.22

Specification Sheet SDS
5-Methylisoxazole-4-carboxylic acid

Purity:

≥ 98.5% (Assay)

Catalog Number:

25805

CAS Number:

42831-50-5

Purity Limit:

≥ 98.5% (Assay)

MDL NO:

MFCD00955655

Molecular Formula:

C₅H₅NO₃

Molecular Weight:

127.1

Specification Sheet SDS
2-(4-Bromophenyl)imidazo[1,2-a]pyridine

Purity:

≥ 97% (HPLC)

Catalog Number:

25795

CAS Number:

34658-66-7

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00218250

Molecular Formula:

C₁₃H₉BrN₂

Molecular Weight:

273.13

Specification Sheet SDS
6-Hydroxy-4-methylcoumarin

Purity:

≥ 98% (Assay)

Synonym:

6-Hydroxy-4-methylchromen-2-one

Catalog Number:

25770

CAS Number:

2373-31-1

Purity Limit:

≥ 98% (Assay)

MDL NO:

MFCD00016967

Molecular Formula:

C₁₀H₈O₃

Molecular Weight:

176.17

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

Purity:

≥ 98% (HPLC)

Catalog Number:

25754

CAS Number:

6945-68-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00047441

Molecular Formula:

C₅H₄BrN₃O₂

Molecular Weight:

218.01

Specification Sheet SDS
5-Bromo-2-cyanopyridine

Hazmat

Purity:

≥ 97% (HPLC)

Synonym:

5-Bromopicolinonitrile

Hazmat

Catalog Number:

25758

CAS Number:

97483-77-7

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00234144

Molecular Formula:

C₆H₃BrN₂

Molecular Weight:

183.01

Specification Sheet SDS
5-Bromo-2-iodopyridine

Purity:

≥ 98% (GC)

Catalog Number:

25762

CAS Number:

223463-13-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00691506

Molecular Formula:

C₅H₃BrIN

Molecular Weight:

283.89

Specification Sheet SDS
2-Amino-5-iodopyridine

Purity:

≥ 99% (GC)

Catalog Number:

25748

CAS Number:

20511-12-0

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00160312

Molecular Formula:

C₅H₅IN₂

Molecular Weight:

220.01

Specification Sheet SDS
5-Bromo-2-hydroxypyridine

Purity:

≥ 99% (HPLC)

Synonym:

5-Bromo-2-pyridinol

Catalog Number:

25760

CAS Number:

13466-38-1

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234042

Molecular Formula:

C₅H₄BrNO

Molecular Weight:

174.0

Specification Sheet SDS
2-Bromo-5-iodopyridine

Purity:

≥ 97% (HPLC)

Catalog Number:

25761

CAS Number:

73290-22-9

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD03095201

Molecular Formula:

C₅H₃BrIN

Molecular Weight:

283.89

Specification Sheet SDS
2,4-Diamino-6-phenyl-1,3,5-triazine

Purity:

≥ 99% (Assay)

Synonym:

6-Phenyl-1,3,5-triazine-2,4-diamine

Catalog Number:

25738

CAS Number:

91-76-9

Purity Limit:

≥ 99% (Assay)

MDL NO:

MFCD00023187

Molecular Formula:

C₉H₉N₅

Molecular Weight:

187.21

Specification Sheet SDS
4-Hydroxy-7-methylcoumarin

Purity:

≥ 99% (HPLC)

Synonym:

4-Hydroxy-7-methyl-2H-chromen-2-one

Catalog Number:

25755

CAS Number:

18692-77-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD03412316

Molecular Formula:

C₁₀H₈O₃

Molecular Weight:

176.17

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

Purity:

≥ 99% (HPLC)

Synonym:

5-Bromo-3-nitro-2(1H-pyridinone

Catalog Number:

25753

CAS Number:

15862-34-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00023473

Molecular Formula:

C₅H₃BrN₂O₃

Molecular Weight:

218.99

Specification Sheet SDS
2-Hydroxy-5-iodopyridine

Purity:

≥ 98% (HPLC)

Synonym:

5-Iodo-2-pyridinol

Catalog Number:

25749

CAS Number:

13472-79-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00234058

Molecular Formula:

C₅H₄INO

Molecular Weight:

220.99

Specification Sheet SDS
5-Bromo-2-ethoxypyridine

Purity:

≥ 99% (HPLC)

Catalog Number:

25744

CAS Number:

55849-30-4

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00234311

Molecular Formula:

C₇H₈BrNO

Molecular Weight:

202.05

Specification Sheet SDS
Ethyl 4-quinazolone-2-carboxylate

Purity:

≥ 98% (HPLC)

Synonym:

4-Quinazolone-2-carboxylic acid ethyl ester

Catalog Number:

25731

CAS Number:

29113-33-5

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00051583

Molecular Formula:

C₁₁H₁₀N₂O₃

Molecular Weight:

218.21

Specification Sheet SDS
6-Bromopyridine-3-carboxylic acid

Purity:

≥ 99% (HPLC)

Synonym:

6-Bromonicotinic acid

Catalog Number:

25743

CAS Number:

6311-35-9

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD01927100

Molecular Formula:

C₆H₄BrNO₂

Molecular Weight:

202.01

Specification Sheet SDS
1-(2-Amino-4-methyl-1,3-thiazol-5-yl)ethanone

Purity:

≥ 98% (HPLC)

Synonym:

5-Acetyl-2-amino-4-methyl-1,3-thiazole

Catalog Number:

25723

CAS Number:

30748-47-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00051952

Molecular Formula:

C₆H₈N₂OS

Molecular Weight:

156.21

Specification Sheet SDS
3-Aminocoumarin

Purity:

≥ 98% (HPLC)

Synonym:

3-Amino-2H-chromen-2-one

Catalog Number:

25729

CAS Number:

1635-31-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00016965

Molecular Formula:

C₉H₇NO₂

Molecular Weight:

161.16

Specification Sheet SDS
2-Cyano-5-bromothiophene

Purity:

≥ 98% (GC)

Synonym:

5-Bromothiophene-2-carbonitrile

Catalog Number:

25726

CAS Number:

2160-62-5

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD04974080

Molecular Formula:

C₅H₂BrNS

Molecular Weight:

188.05

Specification Sheet SDS
3,5-Diphenylpyrazole

Purity:

≥ 98% (HPLC)

Catalog Number:

25704

CAS Number:

1145-01-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00039675

Molecular Formula:

C₁₅H₁₂N₂

Molecular Weight:

220.27

Specification Sheet SDS
2-(2-Chlorophenyl)benzimidazole

Purity:

≥ 99% (HPLC)

Synonym:

Chlorfenazole

Catalog Number:

25701

CAS Number:

3574-96-7

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00051632

Molecular Formula:

C₁₃H₉ClN₂

Molecular Weight:

228.68

Specification Sheet SDS
2-(2-Hydroxyphenyl)benzothiazole

Purity:

≥ 99% (HPLC)

Synonym:

2-(2-Hydroxyphenyl)-1,3-benzothiazole

Catalog Number:

25702

CAS Number:

3411-95-8

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00022869

Molecular Formula:

C₁₃H₉NOS

Molecular Weight:

227.29

Specification Sheet SDS
Ethyl 2-amino-4-methylthiazole-5-carboxylate

Purity:

≥ 99% (HPLC)

Synonym:

2-Amino-4-methyl-5-thiazolecarboxylic acid ethyl ester

Catalog Number:

25675

CAS Number:

7210-76-6

Purity Limit:

≥ 99% (HPLC)

MDL NO:

MFCD00123414

Molecular Formula:

C₇H₁₀N₂O₂S

Molecular Weight:

186.23

Specification Sheet SDS
Ethyl 2-amino-4-phenylthiazole-5-carboxylate

Purity:

≥ 97% (HPLC)

Synonym:

2-Amino-4-phenylthiazole-5-carboxylic acid ethyl ester

Catalog Number:

25674

CAS Number:

64399-23-1

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00022452

Molecular Formula:

C₁₂H₁₂N₂O₂S

Molecular Weight:

248.31

Specification Sheet SDS
3-Chlorobenzo[b]thiophene-2-carboxylic acid

Purity:

≥ 97% (HPLC)

Catalog Number:

25642

CAS Number:

21211-22-3

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00014579

Molecular Formula:

C₉H₅ClO₂S

Molecular Weight:

212.66

Specification Sheet SDS
5-Phenylthiophene-2-carboxylic acid

Purity:

≥ 98% (HPLC)

Catalog Number:

25639

CAS Number:

19163-24-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01313432

Molecular Formula:

C₁₁H₈O₂S

Molecular Weight:

204.25

Specification Sheet SDS

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