CAS: 73978-41-3

Product Name: 2, 4-diamino-6-(hydroxymethyl) pteridine hydrochloride

Appearance:    Yellow or beige-colored powder, Yellow powder

Water: 6.0-9.0%           

Residue on ignition : not more than 0.50% 

Related Substances Impurity 1: NMT 1.0% 

Impurity 2: NMT 1.5% 

Impurity 3: NMT 1.0% 

Any single unknown: NMT1.0%

Total impurities: NMT 5.0% 

Assay: more than 90.0%