CAS No.: | 302-79-4 |
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Formula: | C20h28o2 |
EINECS: | C20h28o2 |
Type: | Industry |
Appearance: | Powder |
Quality: | Refined |
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Items | Specifications | Results |
Appearance | Yellow crystalline powder | Complies |
Identification | The infrared absorption is same as referance | Complies |
Should exhibits maximum absorption at 352nm | Complies | |
Limits of isotretinoin | ≤5.0% | 0.41% |
Loss on drying | ≤0.5% | 0.03% |
Heavy metals | ≤0.002% | <0.002% |
Residue on ignition | ≤0.1% | 0.03% |
Assay(on dried basis) | 98.0%~102.0% | 100.5% |
Conclusion | The product is up to the standard of USP42. |
Retinoic acid CAS 302-79-4 Application:
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