CAS Number
68-22-4
Norethindrone
SL Number
CSL-78669
Category
impurity
Molecular Formula
C20H26O2
Molecular Weight
298.42
Description
(17alpha )-17-Hydroxy-19-norpregn-4-en-20-yn-3-one; 19-Nor-17alpha− -ethynyl-4-androsten-17beta-ol-3-one; 17alpha-Ethynyl-19-nortestosterone; 19-Norethisterone; Levonorgestrel Impurity U (EP)
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