Guanosine
CAS: 118-00-3
Category: Nucleotide coenzyme
| Purity | USP/NF Grade, FCC Food Grade, Pharmaceutical Secondary Standard ≥99% |
| Molecular Formula | C10H13N5O5 |
| Molecular Weight | 283.24 |
| Appearance | white crystalline powder |
| Packaging | 1kg/aluminum foil bag or 5kg/fiber drum with a double-layer plastic bag inside. |
| Testing Indicators | Appearance — Visual inspection; Identification — UV (252 nm), HPLC; Purity — Ion-exchange HPLC; Specific rotation — Polarimetry; Heavy metals — ICP-MS; Loss on drying — Gravimetry; Microbial limits — Filtration; Related nucleosides — HPLC; Water content — Karl Fischer titration. |
| Storage Notes | Store in a tightly closed container in a cool, dry, and well-ventilated place, protected from moisture. |
| Lead Time | 10 days |
A purine nucleoside used as a critical raw material in the synthesis of antiviral drugs (e.g., Acyclovir) and biochemical research reagents.