2-Chlorothiazole-4-carboxylic acid
Also known as: 2-Chloro-4-thiazolecarboxylic acid, 2-Chloro-1,3-thiazole-4-carboxylic acid, 4-Carboxy-2-chloro-1,3-thiazole, 2-Chlorothiazole-4-Carboxylic Acid, 4-Thiazolecarboxylic acid, 2-chloro-
2-Chlorothiazole-4-carboxylic acid (CAS 5198-87-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2ClNO2S and a molecular weight of 163.582 g/mol. Key properties include a melting point of 220 °C, a boiling point of 370.2±34.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 177.7±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5198-87-8
- Jingsj CID
- J-1153603-1
- Molecular Formula
- C4H2ClNO2S
- Molecular Weight
- 163.582 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 220 °C |
|---|---|
| Boiling Point | 370.2±34.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 177.7±25.7 °C |
| Exact Mass | 162.949478 |
| PSA | 78.43000 |
| LogP | 0.67 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.634 |
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-Chlorothiazole-4-carboxylic acid?
The CAS number of 2-Chlorothiazole-4-carboxylic acid is 5198-87-8.
What are the molecular formula and molecular weight of 2-Chlorothiazole-4-carboxylic acid?
2-Chlorothiazole-4-carboxylic acid has molecular formula C4H2ClNO2S and molecular weight 163.582 g/mol.
What are the upstream and downstream products of 2-Chlorothiazole-4-carboxylic acid?
For 2-Chlorothiazole-4-carboxylic acid, Upstream Products: Ethyl 2-chloro-1,3-thiazole-4-carboxylate, 2-Aminothiazole-4-carboxylic acid, Methyl 2-chloro-1,3-thiazole-4-carboxylate.
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-Chlorothiazole-4-carboxylic acid (CAS 5198-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1153603-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.