3,3'-Bithiophene-5-carbaldehyde

3,3'-联噻吩-5-甲醛

Also known as: [3,3'-Bithiophene]-5-carbaldehyde, [3,3'-Bithiophene]-5-carboxaldehyde, 3,3'-Bithiophene-5-carboxaldehyde, 5-Formyl-3,3'-bithiophene, 4-(3-thienyl)-2-thiophenecarboxaldehyde, 4-(thien-3-yl)-thiophene-2-carbaldehyde, 4-thiophen-3-ylthiophene-2-carbaldehyde

3,3'-Bithiophene-5-carbaldehyde (CAS 137320-59-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6OS2 and a molecular weight of 194.273 g/mol. It is also known as [3,3'-Bithiophene]-5-carbaldehyde, [3,3'-Bithiophene]-5-carboxaldehyde and 3,3'-Bithiophene-5-carboxaldehyde. Key properties include a melting point of 101-104ºC, a boiling point of 283.0±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 125.0±24.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

137320-59-3

Jingsj CID

J-1030670-7

Molecular Formula

C₉H₆OS₂

Chinese Name

3,3'-联噻吩-5-甲醛

Molecular Weight

194.273 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026