Friday, August 12, 2011

Levonorgestrel (CAS No.: 797-63-7)

Levonorgestrel
CAS No.: 797-63-7
White crystalline powder
Strong supplier of Levonorgestrel from China
Levonorgestrel
CAS No.: 797-63-7
White crystalline powder
Strong supplier of Levonorgestrel from China

Appearance White crystalline powder
Identification IR absorption
Specific rotation & melting range distinguishing it from Norgestrel
Melting range 232~239
Specific Rotation -30~ -35
Loss on Drying ≤0.5%
Residue on Ignition ≤0.3%
Ethynyl Group 7.81~8.18%
Other Steroids Total impurities≤2.0%
Any individual impurity≤0.5%
Assay 98.0~102.0%

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