Levonorgestrel

Post Date:
Apr 27,2017
Expiry Date:
Oct 24,2017
Detailed Description:
Cas No. :797-63-7 Specs:USP29 & EP5.0
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%
CAS Registry Number:
797-63-7
Synonyms:
;Levonorgestrel;Norgestrel (L-);13-ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one;13-ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one;13-ethyl-17-hydroxy-19-dinor-17-alpha-pregn-4-en-20-yn-3-on(+)-1;17-alpha-ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one;17-beta-hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one;17-ethynyl-18-methyl-19-nortestosteron;17-ethynyl-18-methyl-19-nortestosterone;18-methyl-17-alpha-ethynyl-19-nortestosterone;(14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name);
Molecular Formula:
C₂₁H₂₈O₂
Molecular Weight:
312.45
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R20/21/22:;
R40:;
Safety Description:
S22:;
S36:;

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