Demei Chemicals Demei Chemicals

Guanosine

CAS: 118-00-3

Category: Nucleotide coenzyme

PurityUSP/NF Grade, FCC Food Grade, Pharmaceutical Secondary Standard ≥99%
Molecular FormulaC10H13N5O5
Molecular Weight283.24
Appearancewhite crystalline powder
Packaging1kg/aluminum foil bag or 5kg/fiber drum with a double-layer plastic bag inside.
Testing IndicatorsAppearance — 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 NotesStore in a tightly closed container in a cool, dry, and well-ventilated place, protected from moisture.
Lead Time
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days
A purine nucleoside used as a critical raw material in the synthesis of antiviral drugs (e.g., Acyclovir) and biochemical research reagents.

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