4-Chloro-6-methylthieno[2,3-d]pyrimidine

4-氯-6-甲基噻吩并[2,3-d]嘧啶

Also known as: Thieno[2,3-d]pyrimidine, 4-chloro-6-methyl-, 6-Methyl-4-chlorothieno[2,3-d]pyrimidine, 4-chloro-6-methylthieno<2,3-d>pyrimidine, RW3777, AKOS 92593

4-Chloro-6-methylthieno[2,3-d]pyrimidine (CAS 106691-21-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5ClN2S and a molecular weight of 184.646 g/mol. It is also known as Thieno[2,3-d]pyrimidine, 4-chloro-6-methyl-, 6-Methyl-4-chlorothieno[2,3-d]pyrimidine and 4-chloro-6-methylthieno<2,3-d>pyrimidine. Key properties include a melting point of 88-91℃ (sublm), a boiling point of 301.3±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 136.0±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

106691-21-8

Jingsj CID

J-1307770-5

Molecular Formula

C₇H₅ClN₂S

Chinese Name

4-氯-6-甲基噻吩并[2,3-d]嘧啶

Molecular Weight

184.646 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026