5-Bromo-3-methyl-2-thiophenecarboxylic acid

Modify Date: 2024-01-07 17:07:42

5-Bromo-3-methyl-2-thiophenecarboxylic acid Structure
5-Bromo-3-methyl-2-thiophenecarboxylic acid structure
Common Name 5-Bromo-3-methyl-2-thiophenecarboxylic acid
CAS Number 38239-45-1 Molecular Weight 221.072
Density 1.8±0.1 g/cm3 Boiling Point 321.1±42.0 °C at 760 mmHg
Molecular Formula C6H5BrO2S Melting Point N/A
MSDS N/A Flash Point 148.0±27.9 °C

 Names

Name 5-bromo-3-methylthiophene-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 321.1±42.0 °C at 760 mmHg
Molecular Formula C6H5BrO2S
Molecular Weight 221.072
Flash Point 148.0±27.9 °C
Exact Mass 219.919357
PSA 65.54000
LogP 2.93
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.630

 Safety Information

Hazard Codes Xi
HS Code 2934999090

 Synthetic Route

~80%

5-Bromo-3-methyl-2-thiophenecarboxylic acid Structure

5-Bromo-3-methy...

CAS#:38239-45-1

Literature: AGOURON PHARMACEUTICALS, INC. Patent: US2004/266796 A1, 2004 ; Location in patent: Page 13 ;

~37%

5-Bromo-3-methyl-2-thiophenecarboxylic acid Structure

5-Bromo-3-methy...

CAS#:38239-45-1

Literature: NOVARTIS AG; XENON PHARMACEUTICALS INC. Patent: WO2008/74835 A1, 2008 ; Location in patent: Page/Page column 78 ; WO 2008/074835 A1

~%

5-Bromo-3-methyl-2-thiophenecarboxylic acid Structure

5-Bromo-3-methy...

CAS#:38239-45-1

Literature: FibroGen, Inc. Patent: US2006/199836 A1, 2006 ; Location in patent: Page/Page column 22 ; US 20060199836 A1

 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-Bromo-3-methyl-2-thiophenecarboxylic acid
5-Brom-3-methylthiophen-2-carbonsaeure
3-methyl-5-bromo-thiophene-2-carboxylic acid
5-bromo-3-methylthiophene-2-carboxylicacid
2-Thiophenecarboxylic acid, 5-bromo-3-methyl-