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

4-甲基-4H-噻吩并[3,2-b]吡咯-5-羧酸甲酯

Also known as: 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, 4-methyl-, methyl ester, HMS1504A12, methyl 4-methylthieno[3,2-b]pyrrole-5-carboxylate

Methyl 4-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate (CAS 857284-01-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO2S and a molecular weight of 195.23800 g/mol. It is also known as 4H-Thieno[3,2-b]pyrrole-5-carboxylic acid, 4-methyl-, methyl ester, HMS1504A12 and methyl 4-methylthieno[3,2-b]pyrrole-5-carboxylate. Key properties include a boiling point of 322ºC at 760 mmHg, a density of 1.32g/cm3 and a flash point of 148.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
857284-01-6
Jingsj CID
J-1359844-4
Molecular Formula
C9H9NO2S
Chinese Name
4-甲基-4H-噻吩并[3,2-b]吡咯-5-羧酸甲酯
Molecular Weight
195.23800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point322ºC at 760 mmHg
Density1.32g/cm3
Flash Point148.5ºC

Frequently Asked Questions

What is the CAS number of Methyl 4-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate?

The CAS number of Methyl 4-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate is 857284-01-6.

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

Methyl 4-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate has molecular formula C9H9NO2S and molecular weight 195.23800 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methyl 4-methyl-4H-thieno[3,2-b]pyrrole-5-carboxylate (CAS 857284-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359844-4 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.