2-Chloro-5-methylthiazole
Also known as: 2-chloro-5-methyl-1,3-thiazole, Thiazole, 2-chloro-5-methyl-, MFCD03265390, 2-CHLORO-5-METHYLTHIAZOLE(PHENYLOXINDOLE)
2-Chloro-5-methylthiazole (CAS 33342-65-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClNS and a molecular weight of 133.599 g/mol. Key properties include a boiling point of 202.7±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 76.4±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33342-65-3
- Jingsj CID
- J-1523803-6
- Molecular Formula
- C4H4ClNS
- Molecular Weight
- 133.599 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 202.7±33.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 76.4±25.4 °C |
| Exact Mass | 132.975296 |
| PSA | 41.13000 |
| LogP | 1.45 |
| Vapor Pressure | 0.4±0.4 mmHg at 25°C |
| Refractive Index | 1.560 |
| Storage Conditions | 2-8°C |
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-Chloro-5-methylthiazole?
The CAS number of 2-Chloro-5-methylthiazole is 33342-65-3.
What are the molecular formula and molecular weight of 2-Chloro-5-methylthiazole?
2-Chloro-5-methylthiazole has molecular formula C4H4ClNS and molecular weight 133.599 g/mol.
What are the upstream and downstream products of 2-Chloro-5-methylthiazole?
For 2-Chloro-5-methylthiazole, Upstream Products: 2-Amino-5-methylthiazole, 5-Methylthiazol-2-Amine Hydrochloride, 2-Chlorothiazole; Downstream Products: 5-Methylthiazole, 2-Chloro-5-(chloromethyl)thiazole.
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-Chloro-5-methylthiazole (CAS 33342-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523803-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.