Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate
5-氯-3-氯磺酰基-2-噻吩甲酸甲酯
Also known as: methyl 5-chloro-3-chlorosulfonylthiophene-2-carboxylate, Methyl 5-chloro-3-chlorosulfonyl-2-thiophenecarboxylate, Methyl-5-chloro-3-chlorosulfonyl-2-thiophene carboxylate
Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate (CAS 158439-31-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2O4S2 and a molecular weight of 275.13000 g/mol. It is also known as methyl 5-chloro-3-chlorosulfonylthiophene-2-carboxylate, Methyl 5-chloro-3-chlorosulfonyl-2-thiophenecarboxylate and Methyl-5-chloro-3-chlorosulfonyl-2-thiophene carboxylate. Key properties include a boiling point of 398.7ºC at 760mmHg, a density of 1.663g/cm3 and a flash point of 194.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 158439-31-7
- Jingsj CID
- J-1138891-1
- Molecular Formula
- C6H4Cl2O4S2
- Chinese Name
- 5-氯-3-氯磺酰基-2-噻吩甲酸甲酯
- Molecular Weight
- 275.13000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 398.7ºC at 760mmHg |
|---|---|
| Density | 1.663g/cm3 |
| Flash Point | 194.9ºC |
Frequently Asked Questions
What is the CAS number of Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate?
The CAS number of Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate is 158439-31-7.
What are the molecular formula and molecular weight of Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate?
Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate has molecular formula C6H4Cl2O4S2 and molecular weight 275.13000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 5-chloro-3-(chlorosulfonyl)thiophene-2-carboxylate (CAS 158439-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138891-1 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.