5-Chloromethylthiazole

Also known as: 5-(chloromethyl)-1,3-thiazole, 5-(chloromethyl)-1,3-thiazole hydrochloride, 5-(chloromethyl)thiazole, 5-chlormethyl-thiazol, 5-thiazolemethyl chloride, 5-thiazolylmethyl chloride, Thiazole, 5-(chloromethyl)-, Thiazole,5-(chloromethyl)-

5-Chloromethylthiazole (CAS 45438-77-5) 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 133.59900 g/mol. Key properties include a boiling point of 214.9ºC at 760 mmHg, a density of 1.338 g/cm3 and a flash point of 83.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 45438-77-5
Jingsj CID: J-1010875-5
Molecular Formula: C₄H₄ClNS
Molecular Weight: 133.59900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	214.9ºC at 760 mmHg
Density	1.338 g/cm3
Flash Point	83.8ºC
Exact Mass	132.97500
PSA	41.13000
LogP	1.88190

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 5-Chloromethylthiazole?

The CAS number of 5-Chloromethylthiazole is 45438-77-5.

What are the molecular formula and molecular weight of 5-Chloromethylthiazole?

5-Chloromethylthiazole has molecular formula C4H4ClNS and molecular weight 133.59900 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5-Chloromethylthiazole (CAS 45438-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1010875-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.