Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate

Also known as: 4H-thieno[3,2-b]pyrrole-5-carboxylic acid methyl ester, thieno[3,2-b]pyrrole-5-carboxylic acid methyl ester, methyl thieno[3,2-b]pyrrole-5-carboxylate, OR1442, 4H-thieno[3,2-b]pyrrol

Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate (CAS 82782-85-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2S and a molecular weight of 181.212 g/mol. Key properties include a melting point of 143-145°C, a boiling point of 336.8±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 157.5±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 82782-85-2
Jingsj CID: J-1480964-4
Molecular Formula: C₈H₇NO₂S
Molecular Weight: 181.212 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	143-145°C
Boiling Point	336.8±22.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	157.5±22.3 °C
Exact Mass	181.019745
PSA	70.33000
LogP	3.50
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.677

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 Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate?

The CAS number of Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate is 82782-85-2.

What are the molecular formula and molecular weight of Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate?

Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate has molecular formula C8H7NO2S and molecular weight 181.212 g/mol.

What are the upstream and downstream products of Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate?

For Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate, Upstream Products: 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, (Trimethylsilyl)diazomethane, 2-Thiophenecarboxaldehyde; Downstream Products: 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid.

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. "Methyl 4H-thieno[3,2-b]pyrrole-5-carboxylate (CAS 82782-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1480964-4 (accessed 2026-11-09).

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