2-Acetylbenzothiazole

Also known as: AKOS BBS-00006878, BENZOTHIAZOLE-2-CARBALDEHYDE, BENZOTHIAZOLE-2-CARBOXALDEHYDE, MFCD00526215, RARECHEM AM LA 0033, 1-(1,3-Benzothiazol-2-yl)ethanone, 1-(1,3-BENZOTHIAZOL-2-YL)ETHANONE, 2-ACETYLBENZOTHIAZOLE 99%, Ethanone, 1-(2-benzothiazolyl)-

2-Acetylbenzothiazole (CAS 1629-78-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NOS and a molecular weight of 177.22300 g/mol. Key properties include a melting point of 109ºC, a boiling point of 301.9ºC at 760 mmHg, a density of 1.286 g/cm3 and a flash point of 136.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1629-78-3
Jingsj CID: J-1123157-5
Molecular Formula: C₉H₇NOS
Molecular Weight: 177.22300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	109ºC
Boiling Point	301.9ºC at 760 mmHg
Density	1.286 g/cm3
Flash Point	136.4ºC
Exact Mass	177.02500
PSA	58.20000
LogP	2.49890
Vapor Pressure	0.00103mmHg at 25°C
Refractive Index	1.655

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Acetylbenzothiazole?

The CAS number of 2-Acetylbenzothiazole is 1629-78-3.

What are the molecular formula and molecular weight of 2-Acetylbenzothiazole?

2-Acetylbenzothiazole has molecular formula C9H7NOS and molecular weight 177.22300 g/mol.

What are the upstream and downstream products of 2-Acetylbenzothiazole?

For 2-Acetylbenzothiazole, Upstream Products: Benzothiazole, N-Methoxy-N-methylacetamide, 1-(Benzo[d]thiazol-2-yl)ethanol; Downstream Products: 2-(Bromoacetyl)-1,3-benzothiazole.

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. "2-Acetylbenzothiazole (CAS 1629-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1123157-5 (accessed 2026-11-09).

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