ITEMS |
SPECIFICATION |
Description |
Yellow crystalline powder |
Identification |
IR,UV |
Loss on drying |
≤0.5% |
Residue on ignition |
≤0.1% |
Heavy metals |
≤0.002% |
Limit of Tretinoin |
≤1.0% |
Organic volatile impuritees |
Meet the requirements |
Assay(on dried basis) |
98% to 102% |