2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid
Also known as: 2-Bromo-4-methylthiazole-5-carboxylic acid, 5-Thiazolecarboxylic acid, 2-bromo-4-methyl-, 2-Bromo-4-methyl-5-thiazolecarboxylic acid
2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid (CAS 40003-41-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4BrNO2S and a molecular weight of 222.060 g/mol. Key properties include a melting point of 153ºC, a boiling point of 349.5±22.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 165.2±22.3 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40003-41-6
- Jingsj CID
- J-1449004-1
- Molecular Formula
- C5H4BrNO2S
- Molecular Weight
- 222.060 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 153ºC |
|---|---|
| Boiling Point | 349.5±22.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 165.2±22.3 °C |
| Exact Mass | 220.914597 |
| PSA | 78.43000 |
| LogP | 2.06 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.640 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
Customs & Trade Information
| HS Code | 2934100090 |
|---|---|
| Summary | 2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid?
The CAS number of 2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid is 40003-41-6.
What are the molecular formula and molecular weight of 2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid?
2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid has molecular formula C5H4BrNO2S and molecular weight 222.060 g/mol.
Is 2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid hazardous?
2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Bromo-4-methyl-1,3-thiazole-5-carboxylic acid (CAS 40003-41-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1449004-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.