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Packaging Detail: |
25kg/Drum |
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Delivery Detail: |
7 days after prepayment |
Specifications
CAS No：4759-48-2
Isotretinoin
Function: Treatment of the acne
SPCIFICATION
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Items |
Standards |
Results |
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Appearance |
Yellow crystals |
Yellow crystals |
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Soluble in trichloromethane, sparingly solube in ethanol, isopropanol and polyethylene glycol, practically insoluble in water |
conforms |
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Identification |
IR: the infrared absorbance spectrum is concordant with the reference standard spectrum |
Conforms |
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UV:Absorptivities at 354nm do not differ by more than 3.0%(calculated on the dried basis) |
0.5% |
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Loss on drying |
NMT0.5% |
0.13% |
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Residue on lgnition |
NMT0.1% |
0.05% |
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Heavy metal |
NMT0.002% |
<0.002% |
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Limit of tretinoin |
NMT1.0% |
0.13% |
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Residual solvents |
Ethanol ≤5000ppm |
1349ppm |
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Purity(HPLC) |
Calculated on the dried basis |
99.3% |
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