Heterocyclic Building Blocks

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7-Methyl-1,4-benzothiazin-3-one

Purity:

≥ 99% (GC)

Catalog Number:

44035

CAS Number:

30322-02-2

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD02660690

Molecular Formula:

C₉H₉NOS

Molecular Weight:

179.24

Specification Sheet SDS
2-Amino-5-methyl-1,3,4-thiadiazole

Purity:

≥ 98% (Assay by titration)

Catalog Number:

44026

CAS Number:

108-33-8

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00003110

Molecular Formula:

C₃H₅N₃S

Molecular Weight:

115.15

Specification Sheet SDS
2-Amino-1,3,4-thiadiazole

Purity:

≥ 98% (HPLC)

Catalog Number:

44030

CAS Number:

4005-51-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00003107

Molecular Formula:

C₂H₃N₃S

Molecular Weight:

101.13

Specification Sheet SDS
4-Methyl-1,2,3-thiadiazole-5-carbohydrazide

Purity:

≥ 98% (GC)

Synonym:

4-Methyl-1,2,3-thiadiazole-5-carboxylic acid hydrazide

Catalog Number:

44031

CAS Number:

75423-15-3

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00052212

Molecular Formula:

C₄H₆N₄OS

Molecular Weight:

158.18

Specification Sheet SDS
5,6-Difluoro-4,7-diiodo-2,1,3-benzothiadiazole

Purity:

≥ 98% (GC)

Catalog Number:

44023

CAS Number:

1293389-29-3

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD31560771

Molecular Formula:

C₆F₂I₂N₂S

Molecular Weight:

423.95

Specification Sheet SDS
4-Amino-2,1,3-benzothiadiazole

Purity:

≥ 98% (GC)

Synonym:

4-Aminopiazthiole

Catalog Number:

44025

CAS Number:

767-64-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00005810

Molecular Formula:

C₆H₅N₃S

Molecular Weight:

151.19

Specification Sheet SDS
1H-Tetrazole-5-acetic acid

Purity:

≥ 98% (GC)

Catalog Number:

44011

CAS Number:

21743-75-9

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD03094010

Molecular Formula:

C₃H₄N₄O₂

Molecular Weight:

128.09

Specification Sheet SDS
2-Amino-5-(benzylthio)-1,3,4-thiadiazole

Purity:

≥ 98% (HPLC)

Synonym:

5-(Benzylthio)-1,3,4-thiadiazole-2-amine

Catalog Number:

44021

CAS Number:

25660-71-3

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00184237

Molecular Formula:

C₉H₉N₃S₂

Molecular Weight:

223.31

Specification Sheet SDS
1,3,4-Thiadiazole-2,5-diamine

Purity:

≥ 98% (HPLC)

Synonym:

2,5-Diamino-1,3,4-thiadiazole

Catalog Number:

44028

CAS Number:

2937-81-7

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00043511

Molecular Formula:

C₂H₄N₄S

Molecular Weight:

116.14

Specification Sheet SDS
5-Amino-1,2,3-thiadiazole

Purity:

≥ 98% (HPLC)

Catalog Number:

44020

CAS Number:

4100-41-8

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00082810

Molecular Formula:

C₂H₃N₃S

Molecular Weight:

101.13

Specification Sheet SDS
(5-Mercapto-1,3,4-thiadiazol-2-ylthio)acetic acid

Purity:

≥ 97% (HPLC)

Catalog Number:

44024

CAS Number:

53723-88-9

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00129970

Molecular Formula:

C₄H₄N₂O₂S₃

Molecular Weight:

208.27

Specification Sheet SDS
4-Nitro-2,1,3-benzothiadiazole

Purity:

≥ 98% (GC)

Synonym:

4-Nitropiazthiole

Catalog Number:

44019

CAS Number:

6583-06-8

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00068050

Molecular Formula:

C₆H₃N₃O₂S

Molecular Weight:

181.17

Specification Sheet SDS
2,3,5-Triphenyltetrazolium bromide

Purity:

≥ 97% (Assay by titration)

Catalog Number:

44014

CAS Number:

1096-80-6

Purity Limit:

≥ 97% (Assay by titration)

MDL NO:

MFCD00031797

Molecular Formula:

C₁₉H₁₅BrN₄

Molecular Weight:

379.26

Specification Sheet SDS
2,1,3-Benzothiadiazole

Purity:

≥ 99% (GC)

Synonym:

Piazthiole

Catalog Number:

44022

CAS Number:

273-13-2

Purity Limit:

≥ 99% (GC)

MDL NO:

MFCD00005809

Molecular Formula:

C₆H₄N₂S

Molecular Weight:

136.17

Specification Sheet SDS
5-Methyl-1,3,4-thiadiazole-2-thiol

Purity:

≥ 98% (Assay by titration)

Synonym:

2-Mercapto-5-methyl-1,3,4-thiadiazole

Catalog Number:

44018

CAS Number:

29490-19-5

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00038349

Molecular Formula:

C₃H₄N₂S₂

Molecular Weight:

132.2

Specification Sheet SDS
o-Tolyltetrazolium red

Purity:

≥ 80% (Assay by titration)

Synonym:

2,5-Diphenyl-3-(o-tolyl)tetrazolium chloride

Catalog Number:

44016

CAS Number:

33926-00-0

Purity Limit:

≥ 80% (Assay by titration)

MDL NO:

MFCD00059995

Molecular Formula:

C₂₀H₁₇ClN₄

Molecular Weight:

348.83

Specification Sheet SDS
p-Tolyltetrazolium red

Purity:

≥ 95% (HPLC)

Synonym:

2,5-Diphenyl-3-(p-tolyl)tetrazolium chloride

Catalog Number:

44015

CAS Number:

71658-33-8

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00060004

Molecular Formula:

C₂₀H₁₇ClN₄

Molecular Weight:

348.83

Specification Sheet SDS
2,3-Bis(4-methoxyphenyl)-5-phenyltetrazolium chloride

Purity:

≥ 98% (HPLC)

Catalog Number:

44010

CAS Number:

104497-79-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00060012

Molecular Formula:

C₂₁H₁₉ClN₄O₂

Molecular Weight:

394.86

Specification Sheet SDS
2,3-Bis(4-methylphenyl)-5-(4-cyanophenyl)tetrazolium chloride

Purity:

≥ 95% (HPLC)

Catalog Number:

44006

CAS Number:

376591-03-6

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00060130

Molecular Formula:

C₂₂H₁₈ClN₅

Molecular Weight:

387.87

Specification Sheet SDS
5-Mercapto-1-(4-methoxyphenyl)-1H-tetrazole

Hazmat

Purity:

≥ 98% (HPLC)

Synonym:

1-(4-Methoxyphenyl)-1H-tetrazole-5-thiol

Hazmat

Catalog Number:

44017

CAS Number:

13980-76-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD01321180

Molecular Formula:

C₈H₈N₄OS

Molecular Weight:

208.24

Specification Sheet SDS
2,3,5-Triphenyltetrazolium iodide

Purity:

≥ 98% (HPLC)

Catalog Number:

44003

CAS Number:

13014-90-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00060028

Molecular Formula:

C₁₉H₁₅IN₄

Molecular Weight:

426.26

Specification Sheet SDS
2,3-Bis(4-nitrophenyl)-5-phenyltetrazolium chloride

Hazmat

Purity:

≥ 98% (Assay by titration)

Hazmat

Catalog Number:

44008

CAS Number:

69231-13-6

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00060010

Molecular Formula:

C₁₉H₁₃ClN₆O₄

Molecular Weight:

424.8

Specification Sheet SDS
2,3-Bis(4-ethylphenyl)-5-phenyltetrazolium chloride

Purity:

≥ 98% (HPLC)

Catalog Number:

44013

CAS Number:

104497-78-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00060006

Molecular Formula:

C₂₃H₂₃ClN₄

Molecular Weight:

390.92

Specification Sheet SDS
2-(2-Benzothiazolyl)-3,5-diphenyltetrazolium bromide

Purity:

≥ 95% (Assay by titration)

Catalog Number:

44012

CAS Number:

55699-64-4

Purity Limit:

≥ 95% (Assay by titration)

MDL NO:

MFCD00135111

Molecular Formula:

C₂₀H₁₄BrN₅S

Molecular Weight:

436.33

Specification Sheet SDS
1-(2-Dimethylaminoethyl)-5-mercaptotetrazole

Purity:

≥ 98% (HPLC)

Synonym:

1-(2-Dimethylaminoethyl)-1H-tetrazole-5-thiol

Catalog Number:

44004

CAS Number:

61607-68-9

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00082923

Molecular Formula:

C₅H₁₁N₅S

Molecular Weight:

173.24

Specification Sheet SDS
2,3-Diphenyl-5-(2-thienyl)tetrazolium chloride

Purity:

≥ 97% (HPLC)

Synonym:

STC

Catalog Number:

43998

CAS Number:

38800-20-3

Purity Limit:

≥ 97% (HPLC)

MDL NO:

MFCD00060088

Molecular Formula:

C₁₇H₁₃ClN₄S

Molecular Weight:

340.83

Specification Sheet SDS
2,3-Di(p-tolyl)-5-phenyltetrazolium chloride

Purity:

≥ 98% (HPLC)

Catalog Number:

44009

CAS Number:

104497-77-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00060002

Molecular Formula:

C₂₁H₁₉ClN₄

Molecular Weight:

362.86

Specification Sheet SDS
2,3-Diphenyl-5-ethyltetrazolium chloride

Purity:

≥ 98% (Assay by titration)

Catalog Number:

43997

CAS Number:

66138-05-4

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00060026

Molecular Formula:

C₁₅H₁₅ClN₄

Molecular Weight:

286.76

Specification Sheet SDS
2,3-Bis(4-methoxyphenyl)-5-(4-cyanophenyl)tetrazolium chloride

Purity:

≥ 95% (HPLC)

Catalog Number:

44007

CAS Number:

151390-91-9

Purity Limit:

≥ 95% (HPLC)

MDL NO:

MFCD00060131

Molecular Formula:

C₂₂H₁₈ClN₅O₂

Molecular Weight:

419.87

Specification Sheet SDS
1-(4-Ethoxyphenyl)-5-mercapto-1H-tetrazole

Hazmat

Purity:

≥ 98% (HPLC)

Synonym:

1-(4-Ethoxyphenyl)-1H-tetrazole-5-thiol

Hazmat

Catalog Number:

44001

CAS Number:

15182-68-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD02252889

Molecular Formula:

C₉H₁₀N₄OS

Molecular Weight:

222.27

Specification Sheet SDS
3-(4-Nitrophenyl)-5-methyl-2-phenyltetrazolium chloride

Hazmat

Purity:

≥ 98% (HPLC)

Synonym:

2-Phenyl-3-(4-nitrophenyl)-5-methyltetrazolium chloride

Hazmat

Catalog Number:

43996

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00060011

Molecular Formula:

C₁₄H₁₂ClN₅O₂

Molecular Weight:

317.73

Specification Sheet SDS
1,5-Pentamethylenetetrazole

Hazmat

Purity:

≥ 98% (GC)

Synonym:

Cardiazole

Hazmat

Catalog Number:

44005

CAS Number:

54-95-5

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00005939

Molecular Formula:

C₆H₁₀N₄

Molecular Weight:

138.17

Specification Sheet SDS
2,3-Diphenyl-5-carboxytetrazolium chloride

Purity:

≥ 96% (Assay by titration)

Catalog Number:

44000

CAS Number:

2118-40-3

Purity Limit:

≥ 96% (Assay by titration)

MDL NO:

MFCD00060087

Molecular Formula:

C₁₄H₁₁ClN₄O₂

Molecular Weight:

302.72

Specification Sheet SDS
2,3-Diphenyl-5-methyltetrazolium chloride

Purity:

≥ 95% (Assay by titration)

Catalog Number:

44002

CAS Number:

6275-01-0

Purity Limit:

≥ 95% (Assay by titration)

MDL NO:

MFCD00060025

Molecular Formula:

C₁₄H₁₃ClN₄

Molecular Weight:

272.74

Specification Sheet SDS
2-Hydroxyquinoxaline

Purity:

≥ 98% (HPLC)

Synonym:

2-Quinoxalinol

Catalog Number:

43984

CAS Number:

1196-57-2

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00006722

Molecular Formula:

C₈H₆N₂O

Molecular Weight:

146.15

Specification Sheet SDS
Ethyl 1H-tetrazole-5-acetate

Purity:

≥ 98% (HPLC)

Synonym:

1H-Tetrazole-5-acetic acid ethyl ester

Catalog Number:

43999

CAS Number:

13616-37-0

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD00274213

Molecular Formula:

C₅H₈N₄O₂

Molecular Weight:

156.15

Specification Sheet SDS
2,3-Diphenyl-5-(4-methoxyphenyl)tetrazolium chloride

Purity:

≥ 80% (Assay by titration)

Catalog Number:

43995

CAS Number:

10560-45-9

Purity Limit:

≥ 80% (Assay by titration)

MDL NO:

MFCD00060032

Molecular Formula:

C₂₀H₁₇ClN₄O

Molecular Weight:

364.83

Specification Sheet SDS
3,3'-(3,3'-Dimethoxy-4,4'-diphenylene)bis(2-phenyl-5-veratryltetrazolium chloride)

Purity:

≥ 98%

Catalog Number:

43994

CAS Number:

106629-90-7

Purity Limit:

≥ 98%

MDL NO:

MFCD00060036

Molecular Formula:

C₄₆H₄₄Cl₂N₈O₆

Molecular Weight:

875.81

Specification Sheet SDS
Quinoxaline 1-oxide

Hazmat

Purity:

≥ 97% (GC)

Synonym:

Quinoxaline N-Oxide

Hazmat

Catalog Number:

43978

CAS Number:

6935-29-1

Purity Limit:

≥ 97% (GC)

MDL NO:

MFCD00054593

Molecular Formula:

C₈H₆N₂O

Molecular Weight:

146.15

Specification Sheet SDS
3-Quinuclidinone hydrochloride

Purity:

≥ 98% (Assay by titration)

Synonym:

1-Azabicyclo[2.2.2]octan-3-one hydrochloride

Catalog Number:

43989

CAS Number:

1193-65-3

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00137391

Molecular Formula:

C₇H₁₁NO·HCl

Molecular Weight:

161.63

Specification Sheet SDS
Benzo[g]quinoxaline

Purity:

≥ 98% (GC)

Catalog Number:

43983

CAS Number:

260-50-4

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD18449114

Molecular Formula:

C₁₂H₈N₂

Molecular Weight:

180.21

Specification Sheet SDS
m-Tolyltetrazolium red

Purity:

≥ 98% (Assay by titration)

Synonym:

2,5-Diphenyl-3-(m-tolyl)tetrazolium chloride

Catalog Number:

43991

CAS Number:

88159-25-5

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00059997

Molecular Formula:

C₂₀H₁₇ClN₄

Molecular Weight:

348.83

Specification Sheet SDS
2-Methylquinoxaline

Purity:

≥ 98% (GC)

Catalog Number:

43985

CAS Number:

7251-61-8

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00006727

Molecular Formula:

C₉H₈N₂

Molecular Weight:

144.18

Specification Sheet SDS
6-Quinoxalinol

Purity:

≥ 98% (GC)

Synonym:

6-Hydroxyquinoxaline

Catalog Number:

43975

CAS Number:

7467-91-6

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD07364440

Molecular Formula:

C₈H₆N₂O

Molecular Weight:

146.15

Specification Sheet SDS
2,5-Diphenyl-3-(4-styrylphenyl)tetrazolium chloride

Purity:

≥ 96% (Assay by titration)

Catalog Number:

43993

CAS Number:

24387-36-8

Purity Limit:

≥ 96% (Assay by titration)

MDL NO:

MFCD00050315

Molecular Formula:

C₂₇H₂₁ClN₄

Molecular Weight:

436.94

Specification Sheet SDS
trans-Decahydroquinoline

Purity:

≥ 98% (GC)

Catalog Number:

43969

CAS Number:

767-92-0

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00137755

Molecular Formula:

C₉H₁₇N

Molecular Weight:

139.24

Specification Sheet SDS
Quincorine

Purity:

≥ 98% (GC)

Synonym:

(1S,2S,5S-2-(Hydroxymethyl)-5-vinylquinuclidine

Catalog Number:

43990

CAS Number:

207129-35-9

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD08276491

Molecular Formula:

C₁₀H₁₇NO

Molecular Weight:

167.25

Specification Sheet SDS
2,3-Dimethylquinoxaline

Purity:

≥ 98% (GC)

Catalog Number:

43982

CAS Number:

2379-55-7

Purity Limit:

≥ 98% (GC)

MDL NO:

MFCD00006728

Molecular Formula:

C₁₀H₁₀N₂

Molecular Weight:

158.2

Specification Sheet SDS
Quinuclidine hydrochloride

Hazmat

Purity:

≥ 98% (Assay by titration)

Synonym:

1-Azabicyclo[2.2.2]octane hydrochloride

Hazmat

Catalog Number:

43988

CAS Number:

39896-06-5

Purity Limit:

≥ 98% (Assay by titration)

MDL NO:

MFCD00012727

Molecular Formula:

C₇H₁₃N·HCl

Molecular Weight:

147.65

Specification Sheet SDS
1,4-Dihydro-6-methylquinoxaline-2,3-dione

Purity:

≥ 98% (HPLC)

Synonym:

6-Methyl-1,4-dihydroquinoxaline-2,3-dione

Catalog Number:

43986

CAS Number:

6309-61-1

Purity Limit:

≥ 98% (HPLC)

MDL NO:

MFCD03055725

Molecular Formula:

C₉H₈N₂O₂

Molecular Weight:

176.18

Specification Sheet SDS

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