methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate

3-氨基-8-氯-4H-苯并[b]噻吩并[2,3-d]噻嗪-2-羧酸甲酯

Also known as: METHYL 3-AMINO-8-CHLORO-4H-BENZO[B]THIENO[2,3-D]THIINE-2-CARBOXYLATE, 4H-Thieno[3,2-c][1]benzothiopyran-2-carboxylic acid, 3-amino-8-chloro-, methyl ester, methyl 3-amino-8-chloro-4H-thieno[3,2-c]thiochromene-2-carboxylate, HMS1449A01

methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate (CAS 254982-11-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H10ClNO2S2 and a molecular weight of 311.80700 g/mol. It is also known as METHYL 3-AMINO-8-CHLORO-4H-BENZO[B]THIENO[2,3-D]THIINE-2-CARBOXYLATE, 4H-Thieno[3,2-c][1]benzothiopyran-2-carboxylic acid, 3-amino-8-chloro-, methyl ester and methyl 3-amino-8-chloro-4H-thieno[3,2-c]thiochromene-2-carboxylate. Key properties include a melting point of 120ºC, a boiling point of 562.3ºC at 760mmHg, a density of 1.505g/cm3 and a flash point of 293.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
254982-11-1
Jingsj CID
J-1510321-3
Molecular Formula
C13H10ClNO2S2
Chinese Name
3-氨基-8-氯-4H-苯并[b]噻吩并[2,3-d]噻嗪-2-羧酸甲酯
Molecular Weight
311.80700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point120ºC
Boiling Point562.3ºC at 760mmHg
Density1.505g/cm3
Flash Point293.9ºC

Frequently Asked Questions

What is the CAS number of methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate?

The CAS number of methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate is 254982-11-1.

What are the molecular formula and molecular weight of methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate?

methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate has molecular formula C13H10ClNO2S2 and molecular weight 311.80700 g/mol.

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

Last updated:

How to cite: Jingsj. "methyl 3-amino-8-chloro-4H-benzo[b]thieno[2,3-d]thiine-2-carboxylate (CAS 254982-11-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510321-3 (accessed 2026-10-25).

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