2-(Methylsulfonyl)benzothiazole

Also known as: 2-(Methylsulfonyl)-1,3-benzothiazole, 2-(Methylsulfonyl)benzo[d]thiazole, 2-methylsulfonyl-1,3-benzothiazole, 2-methanesulfonylbenzothiazole, Methyl 2-benzothiazolyl sulfone, NSC 51671, Benzothiazole, 2-(methylsulfonyl)-, benzothiazol-2-yl methyl sulfone

2-(Methylsulfonyl)benzothiazole (CAS 7144-49-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2S2 and a molecular weight of 213.27700 g/mol. Key properties include a melting point of 86-89ºC(lit.), a boiling point of 370.3ºC at 760 mmHg, a density of 1.44g/cm3 and a flash point of 177.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 7144-49-2
Jingsj CID: J-1144159-1
Molecular Formula: C₈H₇NO₂S₂
Molecular Weight: 213.27700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	86-89ºC(lit.)
Boiling Point	370.3ºC at 760 mmHg
Density	1.44g/cm3
Flash Point	177.7ºC
Exact Mass	212.99200
PSA	83.65000
LogP	2.78060
Refractive Index	1.645

Customs & Trade Information

HS Code	2934200090
Summary	2934200090. other compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused. 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-(Methylsulfonyl)benzothiazole?

The CAS number of 2-(Methylsulfonyl)benzothiazole is 7144-49-2.

What are the molecular formula and molecular weight of 2-(Methylsulfonyl)benzothiazole?

2-(Methylsulfonyl)benzothiazole has molecular formula C8H7NO2S2 and molecular weight 213.27700 g/mol.

What are the upstream and downstream products of 2-(Methylsulfonyl)benzothiazole?

For 2-(Methylsulfonyl)benzothiazole, Upstream Products: 2-(Methylthio)benzothiazole, 2-Mercaptobenzothiazole, 2-Bromo-1,3-benzothiazole; Downstream Products: 2-piperazin-1-yl-benzothiazole, 4-Methoxystyrene, 1-Undecene.

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-(Methylsulfonyl)benzothiazole (CAS 7144-49-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144159-1 (accessed 2026-11-09).

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