1,3-thiazole-4-carbonyl chloride

Also known as: 4-thiazolecarbonyl chloride, 4-thiazoloyl chloride, thiazole-4-carbonyl chloride, thiazol-4-ylcarbonyl chloride, thiazole-4-carboxylic acid chloride

1,3-thiazole-4-carbonyl chloride (CAS 3745-79-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2ClNOS and a molecular weight of 147.58300 g/mol. Key properties include a boiling point of 227ºC at 760mmHg, a density of 1.497g/cm3 and a flash point of 91.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3745-79-7
Jingsj CID: J-1558762-9
Molecular Formula: C₄H₂ClNOS
Molecular Weight: 147.58300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	227ºC at 760mmHg
Density	1.497g/cm3
Flash Point	91.1ºC
Exact Mass	146.95500
PSA	58.20000
LogP	1.52210
Refractive Index	1.583

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 1,3-thiazole-4-carbonyl chloride?

The CAS number of 1,3-thiazole-4-carbonyl chloride is 3745-79-7.

What are the molecular formula and molecular weight of 1,3-thiazole-4-carbonyl chloride?

1,3-thiazole-4-carbonyl chloride has molecular formula C4H2ClNOS and molecular weight 147.58300 g/mol.

What are the upstream and downstream products of 1,3-thiazole-4-carbonyl chloride?

For 1,3-thiazole-4-carbonyl chloride, Upstream Products: Thiazole-4-carboxylic acid; Downstream Products: Thiazole-4-carboxamide.

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. "1,3-thiazole-4-carbonyl chloride (CAS 3745-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1558762-9 (accessed 2026-11-09).

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