4H-[1]-Benzopyrano[4,3-b]thiophene-2-carboxylic acid hydrazide

4H-[1]-苯并吡喃[4,3-b]噻吩-2-甲酸酰肼

Also known as: 4H-Thieno[3,2-c][1]benzopyran-2-carboxylic acid, hydrazide, 4H-Thieno[3,2-c]chromene-2-carbohydrazide, 4H-[1]-Benzopyrano[4,3-b]thiophene-2-carboxylic acid hydrazide 97%, JRH-09105, MFCD03701527

4H-[1]-Benzopyrano[4,3-b]thiophene-2-carboxylic acid hydrazide (CAS 351003-40-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H10N2O2S and a molecular weight of 246.28500 g/mol. It is also known as 4H-Thieno[3,2-c][1]benzopyran-2-carboxylic acid, hydrazide, 4H-Thieno[3,2-c]chromene-2-carbohydrazide and 4H-[1]-Benzopyrano[4,3-b]thiophene-2-carboxylic acid hydrazide 97%. Key properties include a melting point of 240-245ºC(lit.) and a density of 1.414g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

351003-40-2

Jingsj CID

J-13577-3

Molecular Formula

C₁₂H₁₀N₂O₂S

Chinese Name

4H-[1]-苯并吡喃[4,3-b]噻吩-2-甲酸酰肼

Molecular Weight

246.28500 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026