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Thiazolo[3,2-a]benzimidazol-3(2H)-one

噻唑并[3,2-a]苯并咪唑-3(2H)-酮

Also known as: Thiazolo[2,3-b]benzimidazole-3(2H)-one, Benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one, 1-thiazolo[3,2-a]benzimidazolone, 3-oxo-2,3-dihydro-1-thia-3a,8-diazacyclopent[a]indene, NSC 35794, MFCD00179328

Thiazolo[3,2-a]benzimidazol-3(2H)-one (CAS 3042-01-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6N2OS and a molecular weight of 190.22200 g/mol. It is also known as Thiazolo[2,3-b]benzimidazole-3(2H)-one, Benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one and 1-thiazolo[3,2-a]benzimidazolone. Key properties include a melting point of 180-184ºC(lit.), a boiling point of 391.5ºC at 760mmHg, a density of 1.59g/cm3 and a flash point of 190.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3042-01-1
Jingsj CID
J-36979-4
Molecular Formula
C9H6N2OS
Chinese Name
噻唑并[3,2-a]苯并咪唑-3(2H)-酮
Molecular Weight
190.22200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180-184ºC(lit.)
Boiling Point391.5ºC at 760mmHg
Density1.59g/cm3
Flash Point190.6ºC

Frequently Asked Questions

What is the CAS number of Thiazolo[3,2-a]benzimidazol-3(2H)-one?

The CAS number of Thiazolo[3,2-a]benzimidazol-3(2H)-one is 3042-01-1.

What are the molecular formula and molecular weight of Thiazolo[3,2-a]benzimidazol-3(2H)-one?

Thiazolo[3,2-a]benzimidazol-3(2H)-one has molecular formula C9H6N2OS and molecular weight 190.22200 g/mol.

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

Last updated:

How to cite: Jingsj. "Thiazolo[3,2-a]benzimidazol-3(2H)-one (CAS 3042-01-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36979-4 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.