4-Hydrazino-5-methylthieno[2,3-d]pyrimidine

4-肼基-5-甲基噻吩并[2,3-d]嘧啶

Also known as: (5-methylthieno[2,3-d]pyrimidin-4-yl)hydrazine, 5-Methylthieno[2,3-d]pyrimidin-4-hydrazine, 4-Hydrazinyl-5-methylthieno[2,3-d]pyrimidine, Thieno[2,3-d]pyrimidine, 4-hydrazinyl-5-methyl-, 4-hydrazino-5-methyl-thieno[2,3-d]pyrimidine, 5-Methyl-4-hydrazino-thieno<2,3-d>pyrimidin

4-Hydrazino-5-methylthieno[2,3-d]pyrimidine (CAS 19786-56-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N4S and a molecular weight of 180.23000 g/mol. It is also known as (5-methylthieno[2,3-d]pyrimidin-4-yl)hydrazine, 5-Methylthieno[2,3-d]pyrimidin-4-hydrazine and 4-Hydrazinyl-5-methylthieno[2,3-d]pyrimidine. Key properties include a melting point of 182ºC, a boiling point of 412ºC at 760mmHg, a density of 1.472g/cm3 and a flash point of 203ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

19786-56-2

Jingsj CID

J-42037-6

Molecular Formula

C₇H₈N₄S

Chinese Name

4-肼基-5-甲基噻吩并[2,3-d]嘧啶

Molecular Weight

180.23000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026