5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid
5-氯-3-甲基-1-苯并噻吩-2-甲酸
Also known as: 5-Chloro-3-methylbenzo[b]thiophene-2-carboxylic acid, 5-chloro-3-methylbenzo[b]thiophene-2-carboxylic acid, 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid, tech, 5-chloro-3-methyl-1-benzothiophene-2-carboxylic acid, 5-Chloro-3-methylbenzo[b]thiophene-2-carboxylic acid
5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid (CAS 50451-84-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7ClO2S and a molecular weight of 226.679 g/mol. It is also known as 5-Chloro-3-methylbenzo[b]thiophene-2-carboxylic acid, 5-chloro-3-methylbenzo[b]thiophene-2-carboxylic acid and 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid, tech. Key properties include a melting point of 290ºC, a boiling point of 411.7±40.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 202.8±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 50451-84-8
- Jingsj CID
- J-1029593-9
- Molecular Formula
- C10H7ClO2S
- Chinese Name
- 5-氯-3-甲基-1-苯并噻吩-2-甲酸
- Molecular Weight
- 226.679 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 290ºC |
|---|---|
| Boiling Point | 411.7±40.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 202.8±27.3 °C |
| Exact Mass | 225.985519 |
| PSA | 65.54000 |
| LogP | 5.04 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.695 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid?
The CAS number of 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid is 50451-84-8.
What are the molecular formula and molecular weight of 5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid?
5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid has molecular formula C10H7ClO2S and molecular weight 226.679 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-3-methyl-1-benzothiophene-2-carboxylic acid (CAS 50451-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029593-9 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.