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1 Kilogram |
Negotiable |
Acyclovir 59277-89-3 cas 59277-89-3
Good quality Acyclovir CAS: 59277-89-3 --- GMP/DMF/COS documents
1kg/al-foil bag,5KG/al-foil bag,25kg/drum
shipped in 3 days after received the payment
white to crystialline powder, used as pharma raw material
Analysis Items |
Standard |
|
Characters |
A white crystalline powder |
|
Identification
infrared absorption
liquid chromatogram |
the infrared absorption spectrum of a potassium bromide dispersion of it exhibits maxima only at the same wavelengths as that of a similar preparation of USP Acyclovir RS |
|
the retention time of the major peak in the chromatogram of the assay preparation corresponds to that of the standard preparation as obtained under assay and limit for guanine |
||
Organic volatile impurities |
Meets the requirements |
|
Ordinary impurities |
examine by thin-lager chromatography ≤1% |
|
Limit for guanine |
≤0.7% |
|
Loss on drying |
≤6.0% |
|
Assay |
98.0% ~ 101.0% |
|
Residual Solvent |
Toluene Methanol Ethanol Acetic Anhydride Dimethyl Sulfoxide |
≤890ppm ≤3000ppm ≤5000ppm ≤5000ppm ≤5000ppm |
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