2,4-Diaminopyrimidine-5-carboxaldehyde

2,4-二氨基嘧啶-5-甲醛

Also known as: 2,4-Diamino-5-pyrimidinecarboxaldehyde, 2,4-Diamino-5-formylpyrimidine, 2,4-Diaminopyrimidine-5-carbaldehyde, 2,4-Diamino-5-pyrimidinecarbaldehyde, 2,6-Diamino-5-pyrimidinecarboxaldehyde, 5-Pyrimidinecarboxaldehyde, 2,4-diamino-, NSC 211353, MFCD04973412, AURORA KA-6757

2,4-Diaminopyrimidine-5-carboxaldehyde (CAS 20781-06-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N4O and a molecular weight of 138.127 g/mol. It is also known as 2,4-Diamino-5-pyrimidinecarboxaldehyde, 2,4-Diamino-5-formylpyrimidine and 2,4-Diaminopyrimidine-5-carbaldehyde. Key properties include a melting point of 274-276ºC, a boiling point of 468.3±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 237.0±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20781-06-0

Jingsj CID

J-5704-6

Molecular Formula

C₅H₆N₄O

Chinese Name

2,4-二氨基嘧啶-5-甲醛

Molecular Weight

138.127 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026