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1 Kilogram |
Negotiable |
Oxybutynin chloride Oxybutynin Oxybutynin GMP
we have GMP USP36
Oxybutynin chloride
Appearance |
White or almost white crystalline powder |
Identification |
IR:The IR absorption spectrum of sample corresponds to that of the reference one. |
Melting point |
124~129℃ |
Loss on drying |
≤3.0% |
Residue on ignition |
≤0.1% |
Heavy metals |
≤20ppm |
Chloride content |
8%~10%(calculated on dried basis) |
Stacking density |
0.35~0.70g/cm³ |
Granularity |
10%<50µm 50%<120µm 90%<220µm |
Related substance |
Impurity A:≤0.5% Diphenyl analog of oxybutynin chloride:≤0.1% Impurity B:≤1.0% ImpurityC:≤1.0% Cyclohexenyl analog of oxybutynin chloride:≤1.0% Ethylpropyl analog of oxybutynin chloride:≤0.1% Unspecified impurities:≤0.1% Total impurities:≤1.0% |
Residual solvents |
Isopropyl ether:≤500ppm Cyclohexane:≤2500ppm Methanol:≤3000ppm |
Assay |
97.0~102.0%(calculated on dried basis) |
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