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CERTIFICATE OF ANALYSIS


W*ErgoteX (Vitamin D2)

BATCH NO: 051202
MANUFACTURING DATE: 06 December 2005
EXPIRY DATE: 06 December 2006


TESTS SPECIFICATIONS RESULTS
Characters A white crystalline powder A white crystalline powder
Melting range USP28 : 115.0 - 199,0°C
BP2004: 112-117°C
115,2 - 116,3°C
112,2 - 115,3°C
Specific optical rotation + 103° - + 107,0° + 104,1°C
Light absorption BP2004: 450 - 500 473
Organic volatile Impurities Complies Complies
Solubility Freely soluble in Alcohol Freely soluble in Alcohol
Reducing Substances 20 ppm Complies
Ergosterol Complies Complies
Assay %(by HPLC) 40 MIU/G 97.0% - 103.0% 99,8%


We hereby certify that the above goods comply with BP2004/USP28.

Produced by WIRUD Co.Ltd China


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