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    Home / LEVONORGESTREL / (5bS,7aS,8R,10aS,10bR)-7a-ethyl-8-ethynyl-8-hydroxy-4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-tetradecahydro-3H-cyclopenta[5,6]naphtho[2,1-c]oxepin-3-one
    (5bS,7aS,8R,10aS,10bR)-7a-ethyl-8-ethynyl-8-hydroxy-4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-tetradecahydro-3H-cyclopenta[5,6]naphtho[2,1-c]oxepin-3-one

    (5bS,7aS,8R,10aS,10bR)-7a-ethyl-8-ethynyl-8-hydroxy-4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-tetradecahydro-3H-cyclopenta[5,6]naphtho[2,1-c]oxepin-3-one

    Synonym

    (5bS,7aS,8R,10aS,10bR)-7a-ethyl-8-ethynyl-8-hydroxy-4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-tetradecahydro-3H-cyclopenta[5,6]naphtho[2,1-c]oxepin-3-one

    Molecular Formula

    C21H28O3

    Molecular Weight

    328.45

    Catalogue Number

    AR-L01579

    Parent Drug

    LEVONORGESTREL

    Common Package:10,25,50,100 mg

    Collections: LEVONORGESTREL

    Category: AR-L01579 C21H28O3 LEVONORGESTREL

    RELATED PRODUCTS
    (8R,9S,10R,13S,14S)-13-ethyl-17-ethynyl-6,7,8,9,10,11,12,13,14,15-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Synonym

    (8R,9S,10R,13S,14S)-13-ethyl-17-ethynyl-6,7,8,9,10,11,12,13,14,15-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H26O

    Molecular Weight

    294.44

    Catalogue Number

    AR-L01582

    Parent Drug

    LEVONORGESTREL

    CAS Number

    61921-57-1
    (8R,9S,10R,13S,14S,17S)-17-acetyl-13-ethyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Synonym

    (8R,9S,10R,13S,14S,17S)-17-acetyl-13-ethyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H30O3

    Molecular Weight

    330.47

    Catalogue Number

    AR-L01581

    Parent Drug

    LEVONORGESTREL
    (4aR,4bS,6aS,7R,9aS,9bR)-6a-ethyl-7-ethynyl-7-hydroxytetradecahydrocyclopenta[7,8]phenanthro[1,10a-b]oxiren-2(1aH)-one

    Synonym

    (4aR,4bS,6aS,7R,9aS,9bR)-6a-ethyl-7-ethynyl-7-hydroxytetradecahydrocyclopenta[7,8]phenanthro[1,10a-b]oxiren-2(1aH)-one

    Molecular Formula

    C21H28O3

    Molecular Weight

    328.45

    Catalogue Number

    AR-L01580

    Parent Drug

    LEVONORGESTREL
    (9R,13S)-13-ethyl-3-methoxy-6,7,9,11,12,13,15,16-octahydro-1H-cyclopenta[a]phenanthren-17(4H)-one

    Synonym

    (9R,13S)-13-ethyl-3-methoxy-6,7,9,11,12,13,15,16-octahydro-1H-cyclopenta[a]phenanthren-17(4H)-one

    Molecular Formula

    C20H26O2

    Molecular Weight

    298.43

    Catalogue Number

    AR-L01578

    Parent Drug

    LEVONORGESTREL
    Ethylmetrienone

    Synonym

    (8R,9S,13S,14S)-13-ethyl-3-methoxy-7,8,9,11,12,13,15,16-octahydro-6H-cyclopenta[a]phenanthren-17(14H)-one

    Molecular Formula

    C20H26O2

    Molecular Weight

    298.43

    Catalogue Number

    AR-L01577

    Parent Drug

    LEVONORGESTREL

    CAS Number

    848-04-4
    2-ethyl-3-hydroxy-2-(2-(6-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethyl)cyclopentanone

    Synonym

    2-ethyl-3-hydroxy-2-(2-(6-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethyl)cyclopentanone

    Molecular Formula

    C20H26O3

    Molecular Weight

    314.43

    Catalogue Number

    AR-L01576

    Parent Drug

    LEVONORGESTREL
    2-ethyl-2-(2-(6-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethyl)cyclopentane-1,3-dione

    Synonym

    2-ethyl-2-(2-(6-methoxy-3,4-dihydronaphthalen-1(2H)-ylidene)ethyl)cyclopentane-1,3-dione

    Molecular Formula

    C20H24O3

    Molecular Weight

    312.41

    Catalogue Number

    AR-L01575

    Parent Drug

    LEVONORGESTREL

    CAS Number

    850-92-0
    ethyl 3-(isopropylamino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate

    Synonym

    (13S,14S,17S)-13-ethyl-3-methoxy-7,11,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-ol

    Molecular Formula

    C20H26O2

    Molecular Weight

    298.43

    Catalogue Number

    AR-L01574

    Parent Drug

    LEVONORGESTREL

    CAS Number

    7443-72-3
    Levonorgestrel Impurity D

    Synonym

    (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol

    Molecular Formula

    C21H30O

    Molecular Weight

    298.47

    Catalogue Number

    AR-L01573

    Parent Drug

    LEVONORGESTREL

    CAS Number

    32419-58-2
    Levonorgestrel EP Impurity J (6-Keto Levonorgestrel)

    Synonym

    (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-7,8,9,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthrene-3,6(2H,10H)-dione

    Molecular Formula

    C21H26O3

    Molecular Weight

    326.44

    Catalogue Number

    AR-L01572

    Parent Drug

    LEVONORGESTREL

    CAS Number

    1175109-63-3
    Delta-5(10)-8-alfa-Levonorgestrel

    Synonym

    (8S,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H28O2

    Molecular Weight

    312.46

    Catalogue Number

    AR-L01571

    Parent Drug

    LEVONORGESTREL

    CAS Number

    5772-36-1
    Levonorgestrel EP Impurity T

    Synonym

    (8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

    Molecular Formula

    C22H30O2

    Molecular Weight

    326.48

    Catalogue Number

    AR-L01570

    Parent Drug

    LEVONORGESTREL

    CAS Number

    14507-51-8
    Levonorgestrel EP Impurity Q

    Synonym

    13-Ethyl-3-methoxygona-2,5(10)-dien-17Ī²-ol; (8R,9S,13S,14S,17S)-13-ethyl-3-methoxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

    Molecular Formula

    C20H30O2

    Molecular Weight

    302.46

    Catalogue Number

    AR-L01569

    Parent Drug

    LEVONORGESTREL

    CAS Number

    1038-28-4
    Levonorgestrel EP Impurity R

    Synonym

    13-Ī²-Ethyl-3-methoxy-gona-2,5(10)-dien-17-one; (8R,9S,13S,14S)-13-ethyl-3-methoxy-6,7,8,9,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17(4H)-one

    Molecular Formula

    C20H28O2

    Molecular Weight

    300.44

    Catalogue Number

    AR-L01568

    Parent Drug

    LEVONORGESTREL

    CAS Number

    2322-77-2
    Levonorgestrel Impurity W

    Synonym

    (13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-4,11,12,13,14,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H24O2

    Molecular Weight

    308.42

    Catalogue Number

    AR-L01567

    Parent Drug

    LEVONORGESTREL
    10-alpha-Hydroxy Levonorgestrel

    Synonym

    (8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-10,17-dihydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H28O3

    Molecular Weight

    328.46

    Catalogue Number

    AR-L01565

    Parent Drug

    LEVONORGESTREL
    Levonorgestrel EP Impurity B

    Synonym

    (8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H28O2

    Molecular Weight

    312.45

    Catalogue Number

    AR-L01564

    Parent Drug

    LEVONORGESTREL

    CAS Number

    19914-67-1
    D-(-)-Norgestrel (Levonorgestrel)

    Synonym

    (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H28O2

    Molecular Weight

    312.46

    Catalogue Number

    AR-L01563

    Parent Drug

    LEVONORGESTREL

    CAS Number

    797-63-7
    Levonorgestrel EP Impurity L (18-Methylester-4-ene-3,17-dione)

    Synonym

    (8R,9S,10R,13S,14S)-13-ethyl-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione

    Molecular Formula

    C19H26O2

    Molecular Weight

    286.42

    Catalogue Number

    AR-L01562

    Parent Drug

    LEVONORGESTREL

    CAS Number

    21800-83-9
    Levonorgestrel Impurity O

    Synonym

    (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-5-methoxytetradecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C22H32O3

    Molecular Weight

    344.50

    Catalogue Number

    AR-L01561

    Parent Drug

    LEVONORGESTREL
    Levonorgestrel EP Impurity A

    Synonym

    (9R,10R,13S,17R)-13-ethyl-17-ethynyl-17-hydroxy-6,7,9,10,11,12,13,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H26O2

    Molecular Weight

    310.44

    Catalogue Number

    AR-L01559

    Parent Drug

    LEVONORGESTREL

    CAS Number

    1260525-53-8
    Delta1 (10)-4, 5-dihydro-levonorgestrel

    Synonym

    (5S,8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-5,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-2H-cyclopenta[a]phenanthren-3(4H)-one

    Molecular Formula

    C21H28O2

    Molecular Weight

    312.46

    Catalogue Number

    AR-L01558

    Parent Drug

    LEVONORGESTREL
    Levonorgestrel Impurity C

    Synonym

    (8R,9S,10R,13S,14S,17R)-13-ethyl-3,17-diethynyl-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol

    Molecular Formula

    C23H28O

    Molecular Weight

    320.48

    Catalogue Number

    AR-L01556

    Parent Drug

    LEVONORGESTREL

    CAS Number

    1337972-89-0
    Levonorgestrel EP Impurity N

    Synonym

    (8R,9S,13S,14S)-13-ethyl-6,7,8,9,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,4H)-dione

    Molecular Formula

    C19H26O2

    Molecular Weight

    286.42

    Catalogue Number

    AR-L01554

    Parent Drug

    LEVONORGESTREL

    CAS Number

    4222-96-2
    Levonorgestrel EP Impurity G

    Synonym

    (6S,8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-6,17-dihydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H28O3

    Molecular Weight

    328.45

    Catalogue Number

    AR-L01552

    Parent Drug

    LEVONORGESTREL

    CAS Number

    87585-03-3
    Levonorgestrel Impurity I (10-beta-Hydroxy Levonorgestrel)

    Synonym

    (8S,9S,10S,13S,14S,17R)-13-ethyl-17-ethynyl-10,17-dihydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H28O3

    Molecular Weight

    328.46

    Catalogue Number

    AR-L01551

    Parent Drug

    LEVONORGESTREL

    CAS Number

    21508-50-9
    Levonorgestrel Sulfate Sodium Salt

    Synonym

    sodium (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl sulfate

    Molecular Formula

    C21H27O5S. Na

    Molecular Weight

    391.51 22.99

    Catalogue Number

    AR-L01550

    Parent Drug

    LEVONORGESTREL
    Levonorgestrel-d6 ((-)-Norgestrel-d6)

    Synonym

    (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

    Molecular Formula

    C21H22D6O2

    Molecular Weight

    318.49

    Catalogue Number

    AR-L01549

    Parent Drug

    LEVONORGESTREL

    CAS Number

    797-63-7 (non-labelled)