Thieno[3,2-b]thiophene-2-carboxylic acid

噻吩并[3,2-b]噻吩-2-甲酸

Also known as: 2-carboxy-thieno[3,2-b]thiophene, BTH-COOH, MFCD00115174, THI073, Thieno[3,2-b]thiophene-2-carboxylic acid

CAS No.
1723-27-9
Jingsj CID
J-1329867-6
Molecular Formula
C7H4O2S2
Chinese Name
噻吩并[3,2-b]噻吩-2-甲酸
Molecular Weight
184.236 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point225-227ºC
Boiling Point386.7±22.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point187.6±22.3 °C

Frequently Asked Questions

What is the CAS number of Thieno[3,2-b]thiophene-2-carboxylic acid?

1723-27-9

What are the molecular formula and molecular weight of Thieno[3,2-b]thiophene-2-carboxylic acid?

C7H4O2S2, molecular weight 184.236 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026