USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $3.00-10.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
usp
description |
white crystalline odorless powder |
identification |
1.ir vs standard:the ir absorption spectrum of the preparation of the test specimen exhibits maxima only at the same wavelengths as that of a similar preparation of the standard . 2.uv vs standard:the uv absorption spectra of the test solution and the standard solution exhibit maxima and minima at the same wavelengths. |
solubility |
very slightly soluble in water very soluble in dilute alkaline solutions |
assay |
not less than 98.0% and not more than 102.0% on dried basis |
related substances |
nomorethan0.5%ganciclovir related compound a no more than 1.5% for total impurities |
organic remain |
nomorethan0.3%carbinol nomorethan0.088%dmf nomorethan0.006%chloroform |
water |
no more than 6.0% |
heavy metals |
not more than 0.002% |
residue on ignition |
not more than 0.1% |
bacterial endotoxins |
0.3eundotoxin unit per mg |
absorption index |
e1%1cm516~548 |
microorganism |
total bacterial count: max 100ufc/gram fungus and /oryeast :max 10ufc/gram pathogens search: e.coli: absent p.aerugmosa: absent s.aureus :absent salmonella:absent |