3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine

Modify Date: 2025-08-25 19:37:06

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure
3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine structure
 Common Name 3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine
CAS Number 131986-28-2 Molecular Weight 197.645
Density 1.5±0.1 g/cm3 Boiling Point 297.2±25.0 °C at 760 mmHg
Molecular Formula C7H4ClN3S Melting Point N/A
MSDS USA Flash Point 133.5±23.2 °C

 Names

Name 3-Chloro-4-(Pyridin-3-YL)-1,2,5-Thiadiazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 297.2±25.0 °C at 760 mmHg
Molecular Formula C7H4ClN3S
Molecular Weight 197.645
Flash Point 133.5±23.2 °C
Exact Mass 196.981445
PSA 66.91000
LogP 2.50
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.631

 Safety Information

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

3-Pyridineacetonitrile,alpha-amino-(9CI) structure

3-Pyridineaceto...

CAS#:131988-63-1

~74%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: FMC CORPORATION Patent: WO2005/6858 A2, 2005 ; Location in patent: Page/Page column 32-33 ;
3-(Diethylboryl)pyridine structure

3-(Diethylboryl...

CAS#:89878-14-8

3,4-Dichloro-1,2,5-thiadiazole structure

3,4-Dichloro-1,...

CAS#:5728-20-1

~17%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: Merschaert, Alain; Gorissen, Hugo J. Heterocycles, 2003 , vol. 60, # 1 p. 29 - 45
Nicotinaldehyde structure

Nicotinaldehyde

CAS#:500-22-1

~%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: Journal of Medicinal Chemistry, , vol. 41, # 22 p. 4378 - 4384
3-(Tributylstannyl)pyridine structure

3-(Tributylstan...

CAS#:59020-10-9

3,4-Dichloro-1,2,5-thiadiazole structure

3,4-Dichloro-1,...

CAS#:5728-20-1

~25%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: Merschaert, Alain; Gorissen, Hugo J. Heterocycles, 2003 , vol. 60, # 1 p. 29 - 45
3-(Tributylstannyl)pyridine structure

3-(Tributylstan...

CAS#:59020-10-9

3-bromo-4-chloro-1,2,5-thiadiazole structure

3-bromo-4-chlor...

CAS#:537706-13-1

~52%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: Merschaert, Alain; Gorissen, Hugo J. Heterocycles, 2003 , vol. 60, # 1 p. 29 - 45
3-(Tributylstannyl)pyridine structure

3-(Tributylstan...

CAS#:59020-10-9

3-chloro-4-iodo-1,2,5-thiadiazole structure

3-chloro-4-iodo...

CAS#:537706-14-2

~76%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: Merschaert, Alain; Gorissen, Hugo J. Heterocycles, 2003 , vol. 60, # 1 p. 29 - 45
2-hydroxy-2-pyridin-3-ylacetonitrile structure

2-hydroxy-2-pyr...

CAS#:17604-74-9

~%

3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine Structure

3-(4-Chloro-1,2...

CAS#:131986-28-2

Literature: Journal of Medicinal Chemistry, , vol. 35, # 12 p. 2274 - 2283

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole
3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine
3-Chloro-4-(3-pyridyl)-1,2,5-thiadiazole
Pyridine, 3-(4-chloro-1,2,5-thiadiazol-3-yl)-
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Related Compounds: More...
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2580224-88-8
4-[(1r,3r)-3-{[(Benzyloxy)carbonyl]amino}cyclobutyl]benzoic acid
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3-{[(Benzyloxy)carbonyl]amino}-4,4,4-trifluoro-2,2-dimethylbutanoic acid
2359485-86-0
tert-butyl N-ethyl-N-[1-(oxolan-2-yl)-2-phenylethyl]carbamate
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rac-(2R,3S)-3-{2-[1-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)cyclobutyl]acetamido}oxolane-2-carboxylic acid
2227853-31-6
Chemsrc provides CAS#:131986-28-2 MSDS, density, melting point, boiling point, structure, etc. Its name is 3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine>> amp version: 3-(4-Chloro-1,2,5-thiadiazol-3-yl)pyridine

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