|
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% |