USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
appearance |
pale yellow to almost white crystalline powder |
almost white crystalline powder |
melting point |
225℃~229℃ |
225℃~229℃ |
identification |
ir,h-nmr, ms |
complies |
residue on ignition |
£0.5% |
0.08% |
heavy metals |
<20ppm |
8ppm |
sulfate |
<200ppm |
complies |
chloride |
<200ppm |
complies |
ethyl methanesulfonate |
<0.1% |
0.03% |
loss on drying |
< 0.5% |
0.24% |
residual solventisopropyl alcohol n-butanol metanol ethanol thf n-methylpiperazine chloroform |
≤0.5% ≤0.5% ≤0.3% ≤0.5% ≤0.072% ≤0.06% ≤0.006% |
complies complies complies complies complies complies complies |
related impurity by hplc |
total impurity ≤1.0% single impurity ≤0.5% |
0.71%0.2% |
assay(hplc) |
³99.0% |
99.29% |
appearance |
pale yellow to almost white crystalline powder |
almost white crystalline powder |
melting point |
225℃~229℃ |
225℃~229℃ |
identification |
ir,h-nmr, ms |
complies |
residue on ignition |
£0.5% |
0.08% |
heavy metals |
<20ppm |
8ppm |
sulfate |
<200ppm |
complies |
chloride |
<200ppm |
complies |
ethyl methanesulfonate |
<0.1% |
0.03% |
loss on drying |
< 0.5% |
0.24% |
residual solventisopropyl alcohol n-butanol metanol ethanol thf n-methylpiperazine chloroform |
≤0.5% ≤0.5% ≤0.3% ≤0.5% ≤0.072% ≤0.06% ≤0.006% |
complies complies complies complies complies complies complies |
related impurity by hplc |
total impurity ≤1.0% single impurity ≤0.5% |
0.71%0.2% |
assay(hplc) |
³99.0% |
99.29% |