Uses: Psoriasis

Specification: IP/BP/EP/USP

CAS No: 55079-83-9

Chemical Name: (2E,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid

Product Specifications:

 Appearance:-Yellow or greenish-yellow crystalline powder

Solubility:-Practically insoluble in water, sparingly soluble in tetrahydrofuran. Slightly soluble in acetone and in ethanol (96 percent). Very slightly soluble in cyclohexane.

Loss on drying: - NMT 0.2%

Residue on ignition:-NMT 0.1%

Heavy metals: - 20ppm

Palladium:-NMT 0.001%

Related substances:-

·        Impurity A : NMT 0.3%

·        Impurity B : NMT 0.3%

·        Any unspecified impurity: NMT 0.1%

·        Total unspecified impurities: NMT 0.4%

Total impurity:-NMT1%

Assay (anhydrous):- 98.0%-102.0%

Particle size:- D90 through 90u