2-Thiophenecarboxylic acid
2-噻吩甲酸
Also known as: Thiophene-2-carboxylic acid, 2-Thenoic acid, 2-Thiophenic acid, alpha-Thiophenecarboxylic acid, Thiofuroic acid, THIOPHENECARBOXYLIC ACID, MFCD00005437, EINECS 208-423-4
- CAS No.
- 527-72-0
- Jingsj CID
- J-44191-9
- Molecular Formula
- C5H4O2S
- Chinese Name
- 2-噻吩甲酸
- Molecular Weight
- 128.149 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 125-127 °C(lit.) |
|---|---|
| Boiling Point | 260.0±0.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 117.8±19.8 °C |
Frequently Asked Questions
What is the CAS number of 2-Thiophenecarboxylic acid?
527-72-0
What are the molecular formula and molecular weight of 2-Thiophenecarboxylic acid?
C5H4O2S, molecular weight 128.149 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026