5-Chlorothiophene-2-carbonyl chloride

Modify Date: 2025-08-23 18:57:51

5-Chlorothiophene-2-carbonyl chloride Structure
5-Chlorothiophene-2-carbonyl chloride structure
Common Name 5-Chlorothiophene-2-carbonyl chloride
CAS Number 42518-98-9 Molecular Weight 181.040
Density 1.5±0.1 g/cm3 Boiling Point 223.9±20.0 °C at 760 mmHg
Molecular Formula C5H2Cl2OS Melting Point 4 °C
MSDS N/A Flash Point 89.2±21.8 °C

 Names

Name 5-Chlorothiophene-2-carbonyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 223.9±20.0 °C at 760 mmHg
Melting Point 4 °C
Molecular Formula C5H2Cl2OS
Molecular Weight 181.040
Flash Point 89.2±21.8 °C
Exact Mass 179.920334
PSA 45.31000
LogP 2.66
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.594

 Safety Information

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

~99%

5-Chlorothiophene-2-carbonyl chloride Structure

5-Chlorothiophe...

CAS#:42518-98-9

Literature: BAYER HELTHCARE AG Patent: US2011/34453 A1, 2011 ; Location in patent: Page/Page column 14 ;

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5-Chlorothiophene-2-carbonyl chloride Structure

5-Chlorothiophe...

CAS#:42518-98-9

Literature: Portola Pharmaceuticals, Inc. Patent: US6906063 B2, 2005 ;

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5-Chlorothiophene-2-carbonyl chloride Structure

5-Chlorothiophe...

CAS#:42518-98-9

Literature: Buu-Hoi et al. Recueil des Travaux Chimiques des Pays-Bas, 1950 , vol. 69, p. 1083,1103

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5-Chlorothiophene-2-carbonyl chloride Structure

5-Chlorothiophe...

CAS#:42518-98-9

Literature: Kuehnhanss et al. Journal fuer Praktische Chemie (Leipzig), 1956 , vol. <4> 3, p. 137,142

 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

5-Chloro-2-thenoyl Chloride
2-Thiophenecarbonyl chloride, 5-chloro-
5-Chorothiophene-2-Carbonyl Chloride
5-Chloro-2-thiophenecarbonyl chloride
5-Chloro-thiophene-2-carbonyl chloride
5-chlorothiophene-2-carbonyl chloride
MFCD00043886
Rivaroxaban Impurity 82
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