4-methoxythiophene-2-carbonyl chloride
4-甲氧基噻吩-2-羰酰氯
Also known as: 2-Thiophenecarbonyl chloride, 4-methoxy- (9CI), 2-THIOPHENECARBONYL CHLORIDE,4-METHOXY, 4-Methoxy-thiophen-2-carbonyl chloride, y7372
4-methoxythiophene-2-carbonyl chloride (CAS 128995-59-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClO2S and a molecular weight of 176.62100 g/mol. It is also known as 2-Thiophenecarbonyl chloride, 4-methoxy- (9CI), 2-THIOPHENECARBONYL CHLORIDE,4-METHOXY and 4-Methoxy-thiophen-2-carbonyl chloride. Key properties include a boiling point of 260ºC at 760 mmHg, a density of 1.365g/cm3 and a flash point of 111ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 128995-59-5
- Jingsj CID
- J-1306274-3
- Molecular Formula
- C6H5ClO2S
- Chinese Name
- 4-甲氧基噻吩-2-羰酰氯
- Molecular Weight
- 176.62100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 260ºC at 760 mmHg |
|---|---|
| Density | 1.365g/cm3 |
| Flash Point | 111ºC |
Frequently Asked Questions
What is the CAS number of 4-methoxythiophene-2-carbonyl chloride?
The CAS number of 4-methoxythiophene-2-carbonyl chloride is 128995-59-5.
What are the molecular formula and molecular weight of 4-methoxythiophene-2-carbonyl chloride?
4-methoxythiophene-2-carbonyl chloride has molecular formula C6H5ClO2S and molecular weight 176.62100 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-methoxythiophene-2-carbonyl chloride (CAS 128995-59-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306274-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.