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CERTIFICATE OF ANALYSIS


W*IsoteX (Isotretinoin)

BATCH NO: 060102
MANUFACTURING DATE: 02 JAN.2006
EXPIRY DATE: 01 JAN.2008

ITEMS SPECIFICATION TEST RESULTE
1. Characters: yellow or light orange crystalline powder comply
2. Identification:
                                a:
                                b:

UV
IR

comply
comply
3. Related substances:

Tretinoin:
Total of other impurity:
Heavy metals:
Loss on drying:
Sulphated ash:
Assay:
Residul solvent (ethyl acetate):


2.0% max
0.5% max
20ppm max
0,5% max
0.1% max
98%102%
5000ppm max


0.5%
0.4%
20ppm max
0.15%
0.03%
99.2%
1675ppm


Produced by WIRUD Co.Ltd China


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