Molecular formula:

C10H13N5O4

Molecular weight:

267.24

CAS No.:

58-61-7

Appearance:

White crystal

Structure Formula:

dentification:

Infrared absorption

Melting point:

233-238°C

Rotation:

-68.0°- -72.0°

Acidity or alkalinity:

complies with USP28

Loss on drying:

≤0.5%

Residue on ignition:

≤0.1%

Heavy metals:

≤0.001%

Limit of ammonia:

≤0.0004%

Limit of chloride:

≤0.007%

Limit of sulfate:

≤0.02%

Chromatographic purity:

Total impurities:

≤0.5%
Each of guanosine, inosine, and uridine ≤0.1%

Adenine:

≤0.2%

Assay:

99.0-101.0%

Complies with USP28

Packing:

20kg/barrel

Storage:

Keep dry, stable at room temperature.