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acycloguanosine Acyclovir CAS:59277-89-3
Product name | Acyclovir |
Appearance | White Crystal Powder |
CAS No. | 59277-89-3 |
MF | C8H11N5O3 |
Purity | 99% |
ITEMS | SPECIFICATIONS | RESULTS |
Appearance | A white or almost white crystalline powder | Conform |
Identification Infrared absorption Retention time (HPLC) |
Positive Positive |
Conform Conform |
Ordinary Impurities Total impurities (TLC) |
≤1% |
<0.5% |
Water | ≤6.0% | 5.0% |
Residual solvent (GC) T'oluene |
≤500ppm |
<9ppm |
Assay and limit for guanine (HPLC) Assay: (on the anhydrous basis) Guanine |
98.0-101.0% ≤0.7% |
100.0% 0.14% |
Conclusion: It conforms to USP 32 standard. |
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