5-Bromo-4-chlorothiophene-2-carboxylic acid

Modify Date: 2025-10-14 09:22:09

5-Bromo-4-chlorothiophene-2-carboxylic acid Structure
5-Bromo-4-chlorothiophene-2-carboxylic acid structure
 Common Name 5-Bromo-4-chlorothiophene-2-carboxylic acid
CAS Number 123418-69-9 Molecular Weight 241.490
Density 2.0±0.1 g/cm3 Boiling Point 348.0±42.0 °C at 760 mmHg
Molecular Formula C5H2BrClO2S Melting Point N/A
MSDS N/A Flash Point 164.3±27.9 °C

 Names

Name 5-Bromo-4-chlorothiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.0±0.1 g/cm3
Boiling Point 348.0±42.0 °C at 760 mmHg
Molecular Formula C5H2BrClO2S
Molecular Weight 241.490
Flash Point 164.3±27.9 °C
Exact Mass 239.864731
PSA 65.54000
LogP 3.44
Vapour Pressure 0.0±0.8 mmHg at 25°C
Index of Refraction 1.660
InChIKey KDAAIEHVVGYWRT-UHFFFAOYSA-N
SMILES O=C(O)c1cc(Cl)c(Br)s1

 Safety Information

HS Code 2934999090

 Synthetic Route

1-(5-Bromo-4-chloro-2-thienyl)ethanone structure

1-(5-Bromo-4-ch...

CAS#:123418-66-6

~44%

5-Bromo-4-chlorothiophene-2-carboxylic acid Structure

5-Bromo-4-chlor...

CAS#:123418-69-9

Literature: SMITHKLINE BEECHAM CORPORATION Patent: WO2007/76423 A2, 2007 ; Location in patent: Page/Page column 142 ; WO 2007/076423 A2
2-Acetylthiophene structure

2-Acetylthiophene

CAS#:88-15-3

~%

5-Bromo-4-chlorothiophene-2-carboxylic acid Structure

5-Bromo-4-chlor...

CAS#:123418-69-9

Literature: Stanetty, Peter; Puschautz, Erhard; Friedbacher, Gernot Monatshefte fuer Chemie, 1989 , vol. 120, p. 53 - 63
2-Acetyl-4,5-dichlorothiophene structure

2-Acetyl-4,5-di...

CAS#:57681-59-1

~%

5-Bromo-4-chlorothiophene-2-carboxylic acid Structure

5-Bromo-4-chlor...

CAS#:123418-69-9

Literature: Stanetty, Peter; Puschautz, Erhard; Friedbacher, Gernot Monatshefte fuer Chemie, 1989 , vol. 120, p. 53 - 63
1-(4-Chlorothiophen-2-yl)ethanone structure

1-(4-Chlorothio...

CAS#:34730-20-6

~%

5-Bromo-4-chlorothiophene-2-carboxylic acid Structure

5-Bromo-4-chlor...

CAS#:123418-69-9

Literature: Stanetty, Peter; Puschautz, Erhard; Friedbacher, Gernot Monatshefte fuer Chemie, 1989 , vol. 120, p. 53 - 63

 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

2-Thiophenecarboxylic acid, 5-bromo-4-chloro-
5-Bromo-4-chloro-2-thiophenecarboxylic acid
5-bromo-4-chlorothiophene-2-carboxylic acid
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Chemsrc provides CAS#:123418-69-9 MSDS, density, melting point, boiling point, structure, etc. Its name is 5-Bromo-4-chlorothiophene-2-carboxylic acid>> amp version: 5-Bromo-4-chlorothiophene-2-carboxylic acid

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