Levonorgestrel

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Levonorgestrel

C₂₁H₂₈O₂ 312.45
18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)-(−)-.
(−)-13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one [797-63-7]

» Levonorgestrel contains not less than 98.0 percent and not more than 102.0 percent of C₂₁H₂₈O₂, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Levonorgestrel RS
USP Norgestrel RS

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