USP 99% Tretinoin Retinoic acid powder with CAS 302-79-4
Product Name: Retinoic acid/ Tretinoin
CAS: 302-79-4
MF: C20H28O2
MW: 300.44
EINECS: 206-129-0
Melting point: 180-181 °C(lit.)
Boiling point: 381.66°C
Appearance: Yellow-Orange Powder
USP 99% Tretinoin Retinoic acid powder with CAS 302-79-4
Tretinoin, with a molecular formula of C20H28O2, is a metabolic intermediate product of vitamin A in the body, which mainly affects bone growth and promotes epithelial cell proliferation, differentiation, keratinization and other metabolic effects. It is used to treat acne vulgaris, psoriasis, ichthyosis, lichen planus, pityriasis red, keratosis follicularis, squamous cell carcinoma and melanoma.
| Package |
carton drum with two plastic bags inside |
| Net weight |
25KG/Drum |
| Storage |
Sealed in cool and dry place to avoid moisture and light |
| Shelf life |
2 years when properly stored |
| Lead time |
1~3 days after confirmation |
| 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. |
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