Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate
3-羟基-5-甲基-2-噻吩甲酸甲酯
Also known as: 2-Thiophenecarboxylic acid, 3-hydroxy-5-methyl-, methyl ester, 3-Hydroxy-5-methyl-2-thiophenecarboxylic acid methyl ester, Methyl 3-hydroxy-5-methylthiophene-2-carboxylate
Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate (CAS 5556-22-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8O3S and a molecular weight of 172.202 g/mol. It is also known as 2-Thiophenecarboxylic acid, 3-hydroxy-5-methyl-, methyl ester, 3-Hydroxy-5-methyl-2-thiophenecarboxylic acid methyl ester and Methyl 3-hydroxy-5-methylthiophene-2-carboxylate. Key properties include a boiling point of 256.4±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 108.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5556-22-9
- Jingsj CID
- J-853562-9
- Molecular Formula
- C7H8O3S
- Chinese Name
- 3-羟基-5-甲基-2-噻吩甲酸甲酯
- Molecular Weight
- 172.202 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 256.4±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 108.9±25.9 °C |
Frequently Asked Questions
What is the CAS number of Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate?
The CAS number of Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate is 5556-22-9.
What are the molecular formula and molecular weight of Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate?
Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate has molecular formula C7H8O3S and molecular weight 172.202 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 3-hydroxy-5-methyl-2-thiophenecarboxylate (CAS 5556-22-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-853562-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.