1H-Benzimidazole,2-(methylsulfonyl)-(9CI)

Also known as: 2-(Methylsulfonyl)benzimidazole, 2-(Methanesulfonyl)benzimidazole, 2-Methanesulfonyl-1H-benzoimidazole, 2-Methylsulfonyl-1H-benzimidazole, 2-Methanesulfonyl-1H-1,3-benzodiazole, NSC 191930

1H-Benzimidazole,2-(methylsulfonyl)-(9CI) (CAS 57159-81-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2O2S and a molecular weight of 196.22600 g/mol. Key properties include a boiling point of 419.6ºC at 760mmHg, a density of 1.433g/cm3 and a flash point of 207.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 57159-81-6
Jingsj CID: J-1450370-9
Molecular Formula: C₈H₈N₂O₂S
Molecular Weight: 196.22600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	419.6ºC at 760mmHg
Density	1.433g/cm3
Flash Point	207.6ºC
Exact Mass	196.03100
PSA	71.20000
LogP	2.04720
Refractive Index	1.642

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 1H-Benzimidazole,2-(methylsulfonyl)-(9CI)?

The CAS number of 1H-Benzimidazole,2-(methylsulfonyl)-(9CI) is 57159-81-6.

What are the molecular formula and molecular weight of 1H-Benzimidazole,2-(methylsulfonyl)-(9CI)?

1H-Benzimidazole,2-(methylsulfonyl)-(9CI) has molecular formula C8H8N2O2S and molecular weight 196.22600 g/mol.

What are the upstream and downstream products of 1H-Benzimidazole,2-(methylsulfonyl)-(9CI)?

For 1H-Benzimidazole,2-(methylsulfonyl)-(9CI), Upstream Products: 2-(Methylthio)benzimidazole, Sodium tungstate dihydrate, 1H-Benzimidazole-2-thiol; Downstream Products: N-(4-chlorophenyl)-1H-benzimidazol-2-amine, N-benzyl-1H-benzimidazol-2-amine, N-phenyl-1H-benzimidazol-2-amine.

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. "1H-Benzimidazole,2-(methylsulfonyl)-(9CI) (CAS 57159-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1450370-9 (accessed 2026-11-09).

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