2-Chloro-5-methylthiophene
Also known as: 2-Chloro-5-methyl thiophene, 5-chloro-2-methylthiophene, 5-methyl-2-chlorothiophene, 5-methylthiophen-2-yl chloride, MFCD01632145, Thiophene, 2-chloro-5-methyl-
2-Chloro-5-methylthiophene (CAS 17249-82-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5ClS and a molecular weight of 132.611 g/mol. Key properties include a boiling point of 151.8±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 51.6±8.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17249-82-0
- Jingsj CID
- J-39226-7
- Molecular Formula
- C5H5ClS
- Molecular Weight
- 132.611 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 151.8±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 51.6±8.5 °C |
| Exact Mass | 131.980042 |
| PSA | 28.24000 |
| LogP | 3.00 |
| Vapor Pressure | 4.6±0.3 mmHg at 25°C |
| Refractive Index | 1.554 |
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 2-Chloro-5-methylthiophene?
The CAS number of 2-Chloro-5-methylthiophene is 17249-82-0.
What are the molecular formula and molecular weight of 2-Chloro-5-methylthiophene?
2-Chloro-5-methylthiophene has molecular formula C5H5ClS and molecular weight 132.611 g/mol.
What are the upstream and downstream products of 2-Chloro-5-methylthiophene?
For 2-Chloro-5-methylthiophene, Upstream Products: 2-Methylthiophene, 5-Chloro-2-thiophenecarbaldehyde; Downstream Products: 5-Chloro-2-thiophenecarbaldehyde, 5,5'-Dimethyl-2,2'-bithiophene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Chloro-5-methylthiophene (CAS 17249-82-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39226-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.