English name: 2,4-Diamino-6-hydroxypyrimidine
CAS RN: 56-06-4
EINECS NO.: 200-254-4
Molecular formula: C₄H₈N₄O₅S
Molecular weight: 224.1951

Structural formula:

Properties: Yellow acicular crystal. Melting point: 260-270℃
Use: Used as pharmaceutical intermediates.