- 59277-89-3
- C8H11N5O3
TESTS | SPECIFICATION | |
Description | White or almost white crystalline powder | |
Identification | Infrared absorption should conform | |
HPLC retention time should conform | ||
Color and clarity of solution | Clear, not more intense than Y7 | |
Sulphated Ash | Not more than 0.1% | |
Organic volatile impurities | Maximum0.1percent | |
Heavy metals | ≤10ppm | |
Related substance | TLC | Maximum 0.5.percent |
HPLC | guanine: Maximum 0.7percent | |
single impurity : Maximum 0.5percent | ||
Total impurities :Maximum 1.0.percent | ||
Water | Maximum6.0percent | |
Assay
(Anhydrous basis) |
98.5-101.0% |