2-(Thiophen-2-yl)-1H-benzo[d]imidazole

Also known as: 1H-Benzimidazole,2-(2-thienyl)-(9CI), 2-(2-Thienyl)-1H-benzimidazole, 2-(Thiophen-2-yl)benzimidazole, 2-Thiophen-2-yl-1H-benzoimidazole, 2-benzimidazol-2-ylthiophene

2-(Thiophen-2-yl)-1H-benzo[d]imidazole (CAS 3878-18-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H8N2S and a molecular weight of 200.26000 g/mol. Key properties include a melting point of 230℃, a boiling point of 412.2±37.0℃(Predicted) and a density of 1.336±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3878-18-0
Jingsj CID: J-1356876-8
Molecular Formula: C₁₁H₈N₂S
Molecular Weight: 200.26000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	230℃
Boiling Point	412.2±37.0℃(Predicted)
Density	1.336±0.06 g/cm3(Predicted)
Exact Mass	200.04100
PSA	56.92000
LogP	3.29140

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-(Thiophen-2-yl)-1H-benzo[d]imidazole?

The CAS number of 2-(Thiophen-2-yl)-1H-benzo[d]imidazole is 3878-18-0.

What are the molecular formula and molecular weight of 2-(Thiophen-2-yl)-1H-benzo[d]imidazole?

2-(Thiophen-2-yl)-1H-benzo[d]imidazole has molecular formula C11H8N2S and molecular weight 200.26000 g/mol.

What are the upstream and downstream products of 2-(Thiophen-2-yl)-1H-benzo[d]imidazole?

For 2-(Thiophen-2-yl)-1H-benzo[d]imidazole, Upstream Products: 2-Thiophenecarboxaldehyde, o-Phenylenediamine, 2-Iodothiophene.

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-(Thiophen-2-yl)-1H-benzo[d]imidazole (CAS 3878-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356876-8 (accessed 2026-11-09).

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