Levonorgestrel

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Levonorgestrel
Posting date : Aug 23, 2011
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05-
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Levonorgestrel Product Name: levonorgestrel English Name: Levonorgestrel CAS number: 797-63-7 Packaging specifications: 5kg Product Description: levonorgestrel English name Levonorgestrel The molecular formula C21H28O2 The molecular weight of the 312.45 CAS 797-63-7 Quality standards: the United States Pharmacopoeia 25 Edition Brief description of [ ] Levonorgestrel English Levonorgestrel formula C21H28O2 The molecular weight of 312.45 CAS 797-63-7 quality standards: the United States Pharmacopoeia 25 Edition Melting range : 232 ~ 239 Specific rotation: - 30 degrees to - 35 degrees Dry weightlessness 0.5% Residue on Ignition: 0.3% Acetylene compound limit: 7.81% ~ 8.18% Chromatographic impurity: a single impurity is less than or equal to 0.5% total impurities = 2% Levonorgestrel content: 98% ~ 102%

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