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    Ethynyl Estradiol EP Impurity L (17-epi-Estradiol)

    Ethynyl Estradiol EP Impurity L (17-epi-Estradiol)

    Synonym

    (8R,9S,13S,14S,17R)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C18H24O2

    Molecular Weight

    272.39

    Catalogue Number

    AR-E01892

    Parent Drug

    ESTRADIOL

    CAS Number

    57-91-0

    Common Package:10,25,50,100 mg

    Collections: ESTRADIOL

    Category: 57-91-0 AR-E01892 C18H24O2 ESTRADIOL

    RELATED PRODUCTS
    Estradiol 3-Methyl Ether

    Synonym

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

    Molecular Formula

    C19H26O2

    Molecular Weight

    286.42

    Catalogue Number

    AR-E01936

    Parent Drug

    ESTRADIOL

    CAS Number

    1035-77-4
    2-Methyl Estradiol

    Synonym

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

    Molecular Formula

    C19H26O2

    Molecular Weight

    286.42

    Catalogue Number

    AR-E01935

    Parent Drug

    ESTRADIOL

    CAS Number

    1818-12-8
    2-(4-(2-(4-(carboxymethoxy)-2,3-dichlorobenzoyl)-2,5-diethyl-3,4-dihydro-2H-pyran-6-yl)-2,3-dichlorophenoxy)acetic acid

    Synonym

    (8R,9S,13S,14S,17R)-17-ethynyl-3-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4,17-diol

    Molecular Formula

    C40H46O4

    Molecular Weight

    590.80

    Catalogue Number

    AR-E01934

    Parent Drug

    ESTRADIOL

    CAS Number

    303014-91-7
    (4R,5S)-5-((1S,2R)-1-carboxy-2-hydroxypropyl)-3-(((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-yl)thio)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic acid

    Synonym

    (8R,9S,13S,14S,17R)-17-ethynyl-4-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C40H46O4

    Molecular Weight

    590.80

    Catalogue Number

    AR-E01933

    Parent Drug

    ESTRADIOL

    CAS Number

    303014-90-6
    Estradiol Valerate EP Impurity J

    Synonym

    (8R,9S,13S,14S,17S)-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C24H34O3

    Molecular Weight

    370.53

    Catalogue Number

    AR-E01932

    Parent Drug

    ESTRADIOL
    6-alpha-Hydroxy Estradiol 17-beta-Valerate

    Synonym

    (6S,8R,9S,13S,14S,17S)-3,6-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C23H32O4

    Molecular Weight

    372.51

    Catalogue Number

    AR-E01931

    Parent Drug

    ESTRADIOL

    CAS Number

    1313382-26-1
    6-Dehydro Estradiol 17-Valerate

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C23H30O

    Molecular Weight

    354.49

    Catalogue Number

    AR-E01930

    Parent Drug

    ESTRADIOL

    CAS Number

    1313382-25-0
    16-Oxo Estradiol

    Synonym

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

    Molecular Formula

    C18H22O3

    Molecular Weight

    286.37

    Catalogue Number

    AR-E01929

    Parent Drug

    ESTRADIOL

    CAS Number

    566-75-6
    beta-Estradiol 17-Acetate

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

    Molecular Formula

    C20H26O3

    Molecular Weight

    314.43

    Catalogue Number

    AR-E01928

    Parent Drug

    ESTRADIOL
    Estradiol 3-Propyl Ether

    Synonym

    (8R,9S,13S,14S,17S)-13-methyl-3-propoxy-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-ol

    Molecular Formula

    C21H30O2

    Molecular Weight

    314.47

    Catalogue Number

    AR-E01927

    Parent Drug

    ESTRADIOL

    CAS Number

    22034-63-5
    6-Oxo-Estradiol-17-Valerate

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C23H30O4

    Molecular Weight

    370.49

    Catalogue Number

    AR-E01926

    Parent Drug

    ESTRADIOL

    CAS Number

    1313382-51-2
    Ethinylestradiol-d7

    Molecular Formula

    C20H17O2D7

    Molecular Weight

    303.46

    Catalogue Number

    AR-E01925

    Parent Drug

    ESTRADIOL

    CAS Number

    57-63-6 (non-d)
    Estradiol Valerate Impurity I

    Synonym

    (1S,3aS,3bR,10aR,10bS,13S,13aS,15aS,18bS,20aS)-13a,17,17,20a-tetramethyl-2,3,3a,3b,4,5,9,10,10a,10b,11,12,13,13a,14,15,15a,17,18b,19,20,20a-docosahydro-1H-cyclopenta[5,6]naphtho[1,2-b]cyclopenta[5,6]naphtho[2,1-i]xanthene-1,13-diyl dipentanoate

    Molecular Formula

    C49H66O5

    Molecular Weight

    735.07

    Catalogue Number

    AR-E01924

    Parent Drug

    ESTRADIOL
    Delta-9-17-alpha-Estradiol

    Synonym

    (8S,13S,14S,17R)-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C18H22O2

    Molecular Weight

    270.37

    Catalogue Number

    AR-E01923

    Parent Drug

    ESTRADIOL
    4-Methyl-17-alpha-Estradiol

    Synonym

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

    Molecular Formula

    C19H26O2

    Molecular Weight

    286.42

    Catalogue Number

    AR-E01922

    Parent Drug

    ESTRADIOL
    Estradiol Enanthate Acetate

    Synonym

    (8R,9S,13S,14S,17S)-3-acetoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl heptanoate

    Molecular Formula

    C27H38O4

    Molecular Weight

    426.60

    Catalogue Number

    AR-E01921

    Parent Drug

    ESTRADIOL
    17-alpha Estradiol Enanthate

    Synonym

    (8R,9S,13S,14S,17R)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl heptanoate

    Molecular Formula

    C25H36O3

    Molecular Weight

    384.56

    Catalogue Number

    AR-E01920

    Parent Drug

    ESTRADIOL

    CAS Number

    10093-54-6
    17-beta-Estradiol-13C2

    Synonym

    (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol-13C2

    Molecular Formula

    C18H24O2

    Molecular Weight

    274.37

    Catalogue Number

    AR-E01919

    Parent Drug

    ESTRADIOL

    CAS Number

    82938-05-4
    (6R,8R,9S,13S,14S,17R)-17-ethynyl-3,6-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

    Synonym

    (6R,8R,9S,13S,14S,17R)-17-ethynyl-3,6-dihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl acetate

    Molecular Formula

    C22H26O4

    Molecular Weight

    354.45

    Catalogue Number

    AR-E01918

    Parent Drug

    ESTRADIOL
    2-Methoxy-Ethynyl Estradiol

    Synonym

    (8R,9S,13S,14S,17R)-17-ethynyl-2-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C21H26O3

    Molecular Weight

    326.44

    Catalogue Number

    AR-E01917

    Parent Drug

    ESTRADIOL

    CAS Number

    22415-44-7
    Estradiol Valerate EP Impurity H (2-Valeryl-17-beta-Estradiol-17-Valerate)

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-2-pentanoyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C28H40O4

    Molecular Weight

    440.62

    Catalogue Number

    AR-E01916

    Parent Drug

    ESTRADIOL

    CAS Number

    1421283-56-8
    Ethinylestradiol-13C2

    Molecular Formula

    C20H24O2

    Molecular Weight

    298.39

    Catalogue Number

    AR-E01915

    Parent Drug

    ESTRADIOL

    CAS Number

    57-63-6 (non-labelled)
    Ethinyl Estradiol EP Impurity M

    Synonym

    (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C21H26O2

    Molecular Weight

    310.44

    Catalogue Number

    AR-E01914

    Parent Drug

    ESTRADIOL

    CAS Number

    3240-39-9
    Ethinyl Estradiol Impurity J (1-Methyl Ethinyl Estradiol)

    Synonym

    (8R,9S,13S,14S,17R)-17-ethynyl-1,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C21H26O2

    Molecular Weight

    310.44

    Catalogue Number

    AR-E01913

    Parent Drug

    ESTRADIOL

    CAS Number

    15071-66-6
    17alpha;-Estradiol Sulfate Sodium Salt

    Synonym

    (8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl hydrogen sulfate, sodium salt

    Molecular Formula

    C18H23O5S . Na

    Molecular Weight

    351.45 22.99

    Catalogue Number

    AR-E01912

    Parent Drug

    ESTRADIOL

    CAS Number

    56050-04-5
    Estradiol 17-beta-Sulfate

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl hydrogen sulfate

    Molecular Formula

    C18H24O5S

    Molecular Weight

    352.45

    Catalogue Number

    AR-E01911

    Parent Drug

    ESTRADIOL
    4-Methyl Estradiol Valerate

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C24H34O3

    Molecular Weight

    370.54

    Catalogue Number

    AR-E01910

    Parent Drug

    ESTRADIOL

    CAS Number

    1359847-37-2
    delta-9(11)-Estradiol-d3

    Molecular Formula

    C18H19O2D3

    Molecular Weight

    273.39

    Catalogue Number

    AR-E01909

    Parent Drug

    ESTRADIOL

    CAS Number

    N/A
    (13S,14S,17S)-Ethinylestradiol

    Synonym

    (13S,14S,17S)-17-ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C20H20O2

    Molecular Weight

    292.38

    Catalogue Number

    AR-E01908

    Parent Drug

    ESTRADIOL

    CAS Number

    N/A
    (13S,14S,17R)-Ethinyl Estradiol

    Synonym

    (13S,14S,17R)-17-ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C20H20O2

    Molecular Weight

    292.38

    Catalogue Number

    AR-E01907

    Parent Drug

    ESTRADIOL

    CAS Number

    1357266-17-1
    (13S,14R,17S)-Ethinylestradiol

    Synonym

    (13S,14R,17S)-17-ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C20H20O2

    Molecular Weight

    292.38

    Catalogue Number

    AR-E01906

    Parent Drug

    ESTRADIOL
    Ethynyl Estradiol-3-Glucuronide

    Synonym

    (2S,3S,4S,5R,6S)-6-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid

    Molecular Formula

    C26H32O8

    Molecular Weight

    472.53

    Catalogue Number

    AR-E01905

    Parent Drug

    ESTRADIOL

    CAS Number

    60134-76-1
    Estradiol Benzoate Impurity E (17-epi- Estradiol Benzoate)

    Synonym

    (8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl benzoate

    Molecular Formula

    C25H28O3

    Molecular Weight

    376.50

    Catalogue Number

    AR-E01904

    Parent Drug

    ESTRADIOL

    CAS Number

    6045-53-0
    4-Hydroxy estradiol 1-N3-Adenine

    Synonym

    (8R,9S,13S,14S,17S)-1-(6-amino-3H-purin-3-yl)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,4,17-triol

    Molecular Formula

    C23H27N5O3

    Molecular Weight

    421.50

    Catalogue Number

    AR-E01903

    Parent Drug

    ESTRADIOL

    CAS Number

    428506-88-1
    4-Hydroxy estradiol 1-N7-guanine

    Synonym

    2-amino-7-((8R,9S,13S,14S,17S)-3,4,17-trihydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-1-yl)-1H-purin-6(7H)-one

    Molecular Formula

    C23H27N5O4

    Molecular Weight

    437.50

    Catalogue Number

    AR-E01902

    Parent Drug

    ESTRADIOL

    CAS Number

    178971-91-0
    4-Methyl Estradiol Enanthate Impurity

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-4,13-dimethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl heptanoate

    Molecular Formula

    C26H38O3

    Molecular Weight

    398.59

    Catalogue Number

    AR-E01900

    Parent Drug

    ESTRADIOL
    Estradiol 3-Enanthate

    Synonym

    (8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl heptanoate

    Molecular Formula

    C25H36O3

    Molecular Weight

    384.56

    Catalogue Number

    AR-E01899

    Parent Drug

    ESTRADIOL

    CAS Number

    55540-97-1
    Estradiol Hemihydrate EP Impurity C (4-Methyl Estradiol)

    Synonym

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

    Molecular Formula

    C19H26O2

    Molecular Weight

    286.42

    Catalogue Number

    AR-E01898

    Parent Drug

    ESTRADIOL

    CAS Number

    6171-48-8
    6-Keto Estradiol

    Synonym

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

    Molecular Formula

    C18H22O3

    Molecular Weight

    286.37

    Catalogue Number

    AR-E01896

    Parent Drug

    ESTRADIOL

    CAS Number

    571-92-6
    Diethinylestradienol

    Synonym

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

    Molecular Formula

    C22H26O

    Molecular Weight

    306.45

    Catalogue Number

    AR-E01895

    Parent Drug

    ESTRADIOL

    CAS Number

    79727-03-0
    Estradiol EP Impurity B-d3 (Ethinyl Estradiol EP Impurity L-d3)

    Synonym

    (8R,9S,13S,14S,17R)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol-D3

    Molecular Formula

    C18H21D3O2

    Molecular Weight

    275.41

    Catalogue Number

    AR-E01894

    Parent Drug

    ESTRADIOL

    CAS Number

    57-91-0 (non-labelled)
    17-Beta-Estradiol-3-O-Sulfate Sodium

    Synonym

    sodium (8R,9S,13S,14S,17S)-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl sulfate

    Molecular Formula

    C18H23O5S Na

    Molecular Weight

    351.45 22.99

    Catalogue Number

    AR-E01893

    Parent Drug

    ESTRADIOL

    CAS Number

    4999-79-5
    17-epi Estradiol Valerate

    Synonym

    (8R,9S,13S,14S,17R)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C23H32O3

    Molecular Weight

    356.51

    Catalogue Number

    AR-E01891

    Parent Drug

    ESTRADIOL
    Ethinylestradiol Impurity M

    Synonym

    (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-9,11,12,13,14,15,16,17-octahydro-8H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C21H24O2

    Molecular Weight

    308.42

    Catalogue Number

    AR-E01890

    Parent Drug

    ESTRADIOL

    CAS Number

    1818-11-7
    Ethinyl Estradiol EP Impurity B

    Synonym

    (8S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol

    Molecular Formula

    C20H22O2

    Molecular Weight

    294.39

    Catalogue Number

    AR-E01889

    Parent Drug

    ESTRADIOL

    CAS Number

    1231-96-5
    delta-9(11)-Estradiol 17-Enanthate

    Synonym

    (8S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl heptanoate

    Molecular Formula

    C25H34O3

    Molecular Weight

    382.54

    Catalogue Number

    AR-E01887

    Parent Drug

    ESTRADIOL

    CAS Number

    95960-05-7
    delta-9(11)-Estradiol 3-Enanthate

    Synonym

    (8S,13S,14S,17S)-17-hydroxy-13-methyl-7,8,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3-yl heptanoate

    Molecular Formula

    C25H34O3

    Molecular Weight

    382.55

    Catalogue Number

    AR-E01886

    Parent Drug

    ESTRADIOL
    rac-Ethinylestradiol EP Impurity H (Mixture of Diastereomers)

    Synonym

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

    Molecular Formula

    C20H22O3

    Molecular Weight

    310.39

    Catalogue Number

    AR-E01885

    Parent Drug

    ESTRADIOL
    Estradiol Valerate

    Synonym

    (8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl pentanoate

    Molecular Formula

    C23H32O3

    Molecular Weight

    356.51

    Catalogue Number

    AR-E01884

    Parent Drug

    ESTRADIOL

    CAS Number

    979-32-8