Usage: used as the intermediary in nucleic acid medicine, health food and delicious flavoring as well.
| Items | Requirements |
| Appearance | White crystalline powder |
| Mixed rate | 5’—AMP (23.0±1)% 5’—CMPNa2(16.5±1)% 5’—GMPNa2(34.5±1)% 5’—UMPNa2(26.0±1)% |
| As | <0.0001% |
| Heavy metal (pb) | <0.001% |