Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate

4H-[1]-苯并吡喃并[4,3-b]噻吩-2-羧酸甲酯

Also known as: 4H-Thieno[3,2-c][1]benzopyran-2-carboxylic acid, methyl ester, Methyl 4H-thieno[3,2-c]chromene-2-carboxylate, MFCD08191336, UPCMLD-DP156

Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate (CAS 126522-01-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H10O3S and a molecular weight of 246.28200 g/mol. It is also known as 4H-Thieno[3,2-c][1]benzopyran-2-carboxylic acid, methyl ester, Methyl 4H-thieno[3,2-c]chromene-2-carboxylate and MFCD08191336. Key properties include a boiling point of 435.6ºC at 760 mmHg, a density of 1.334g/cm3 and a flash point of 217.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
126522-01-8
Jingsj CID
J-37556-6
Molecular Formula
C13H10O3S
Chinese Name
4H-[1]-苯并吡喃并[4,3-b]噻吩-2-羧酸甲酯
Molecular Weight
246.28200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point435.6ºC at 760 mmHg
Density1.334g/cm3
Flash Point217.2ºC

Frequently Asked Questions

What is the CAS number of Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate?

The CAS number of Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate is 126522-01-8.

What are the molecular formula and molecular weight of Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate?

Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate has molecular formula C13H10O3S and molecular weight 246.28200 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 4H-[1]-benzopyrano[4,3-b]thiophene-2-carboxylate (CAS 126522-01-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37556-6 (accessed 2026-10-24).

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