4-Methylthiazole-5-carboxylic acid
4-甲基噻唑-5-甲酸
Also known as: 4-Methyl-1,3-thiazole-5-carboxylic acid, 4-Methyl-5-thiazolecarboxylic acid, 4-Methyl-thiazole-5-carboxylic acid, 5-Thiazolecarboxylic acid, 4-methyl-
- CAS No.
- 20485-41-0
- Jingsj CID
- J-23346-8
- Molecular Formula
- C5H5NO2S
- Chinese Name
- 4-甲基噻唑-5-甲酸
- Molecular Weight
- 143.164 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 287 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 303.6±22.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 137.4±22.3 °C |
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of 4-Methylthiazole-5-carboxylic acid?
20485-41-0
What are the molecular formula and molecular weight of 4-Methylthiazole-5-carboxylic acid?
C5H5NO2S, molecular weight 143.164 g/mol
Is 4-Methylthiazole-5-carboxylic acid hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026