Ethinylestradiol-Impurities | Pharmaffiliates

ethinylestradiol and its Impurities

A synthetic steroidal estrogen and a derivative of estradiol, Ethinylestradiol is used as a formulation in Combine oral contraceptives. Also known as EE2 it is used in the hormone replacement therapy in menopause , acne, and cancer (breat and prostrate). Reference standards of Ethinylestradiol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 95 results for ethinylestradiol Impurities
PA 05 46000

Ethinylestradiol - API

Ethinylestradiol


  • Catalogue No.:PA 05 46000

  • CAS :

    57-63-6

  • Molecular Formula : C20H24O2

  • Molecular Weight : 296.40

PA 05 46010

Ethinylestradiol - Impurity A

17β-Ethinylestradiol


  • Catalogue No.:PA 05 46010

  • CAS :

    4717-38-8

  • Molecular Formula : C20H24O2

  • Molecular Weight : 296.40

PA 05 46020

Ethinylestradiol - Impurity B

19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol


  • Catalogue No.:PA 05 46020

  • CAS :

    1231-96-5

  • Molecular Formula : C20H22O2

  • Molecular Weight : 294.39

PA 05 46030

Ethinylestradiol - Impurity C

3-Hydroxyestra-1,3,5(10)-trien-17-one


  • Catalogue No.:PA 05 46030

  • CAS :

    53-16-7

  • Molecular Formula : C18H22O2

  • Molecular Weight : 270.37

PA 05 46040

Ethinylestradiol - Impurity D

Estradiol


  • Catalogue No.:PA 05 46040

  • CAS :

    50-28-2

  • Molecular Formula : C18H24O2

  • Molecular Weight : 272.38

PA 05 46050

Ethinylestradiol - Impurity E

6α-Hydroxy-ethinylestradiol


  • Catalogue No.:PA 05 46050

  • CAS :

    27521-34-2

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.40

PA 05 46060

Ethinylestradiol - Impurity F

6β-Hydroxy-ethinylestradiol


  • Catalogue No.:PA 05 46060

  • CAS :

    56324-28-8

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.40

PA 05 46070

Ethinylestradiol - Impurity G

6-Oxo-ethinylestradiol


  • Catalogue No.:PA 05 46070

  • CAS :

    38002-18-5

  • Molecular Formula : C20H22O3

  • Molecular Weight : 310.39

PA 05 46080

Ethinylestradiol - Impurity H

16-Oxo-ethinylestradiol


  • Catalogue No.:PA 05 46080

  • CAS :

    1350468-76-6

  • Molecular Formula : C20H22O3

  • Molecular Weight : 310.39

PA 05 46090

Ethinylestradiol - Impurity I

19-Nor-17α-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol


  • Catalogue No.:PA 05 46090

  • CAS :

    67703-68-8

  • Molecular Formula : C20H22O2

  • Molecular Weight : 294.39

PA 05 46100

Ethinylestradiol - Impurity J

1-Methyl-ethinylestradiol


  • Catalogue No.:PA 05 46100

  • CAS :

    15071-66-6

  • Molecular Formula : C21H26O2

  • Molecular Weight : 310.43

PA 05 46110

Ethinylestradiol - Impurity K

4-Methyl-ethinylestradiol


  • Catalogue No.:PA 05 46110

  • CAS :

    155683-61-7

  • Molecular Formula : C21H26O2

  • Molecular Weight : 310.43

PA 05 46120

Ethinylestradiol - Impurity L

17α-Estradiol


  • Catalogue No.:PA 05 46120

  • CAS :

    57-91-0

  • Molecular Formula : C18H24O2

  • Molecular Weight : 272.38

PA 05 46130

Ethinylestradiol - Impurity M

2-Methyl-ethinylestradiol


  • Catalogue No.:PA 05 46130

  • CAS :

    3240-39-9

  • Molecular Formula : C21H26O2

  • Molecular Weight : 310.43

PA 05 46510

Ethynyl Estradiol 3-Sulfate

Ethynyl Estradiol 3-Sulfate


  • Catalogue No.:PA 05 46510

  • CAS :

    24560-70-1

  • Molecular Formula : C20H24O5S

  • Molecular Weight : 376.47

PA 05 46520

Ethinyl Estradiol Dimer Impurity 1

Ethinyl Estradiol Dimer Impurity 1


  • Catalogue No.:PA 05 46520

  • CAS :

    303014-90-6

  • Molecular Formula : C40H46O4

  • Molecular Weight : 590.79

PA 05 46530

Ethinyl Estradiol Dimer Impurity 2

Ethinyl Estradiol Dimer Impurity 2


  • Catalogue No.:PA 05 46530

  • CAS :

    303014-91-7

  • Molecular Formula : C40H46O4

  • Molecular Weight : 590.79

PAI 05 005010

1-Methylestrone

1-Methylestrone


  • Catalogue No.:PAI 05 005010

  • CAS :

    4011-48-7

  • Molecular Formula : C19H24O2

  • Molecular Weight : 284.40

PAI 05 005020

4-Bromoestrone

4-Bromoestrone


  • Catalogue No.:PAI 05 005020

  • CAS :

    1630-82-6

  • Molecular Formula : C18H21BrO2

  • Molecular Weight : 349.27

PAI 05 005030

4-Cyanoestrone

4-Cyanoestrone


  • Catalogue No.:PAI 05 005030

  • CAS :

    NA

  • Molecular Formula : C19H21NO2

  • Molecular Weight : 295.38

PAI 05 005040

4-Formylestrone

4-Formylestrone


  • Catalogue No.:PAI 05 005040

  • CAS :

    13879-56-6

  • Molecular Formula : C19H22O3

  • Molecular Weight : 298.38

PAI 05 005050

4-Methylestrone

4-Methylestrone


  • Catalogue No.:PAI 05 005050

  • CAS :

    68969-90-4

  • Molecular Formula : C19H24O2

  • Molecular Weight : 284.40

PAI 05 005060

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

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


  • Catalogue No.:PAI 05 005060

  • CAS :

    NA

  • Molecular Formula : C24H34O2Si

  • Molecular Weight : 382.62

PA 05 46540

2-Hydroxy Ethinylestradiol

2-Hydroxy Ethinylestradiol


  • Catalogue No.:PA 05 46540

  • CAS :

    50394-89-3

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.41

PA 05 46550

(Z)-2-((3R,3aS,5aS,9aR,9bS,Z)-3-Ethynyl-3-hydroxy-3a-methyl-6-(2-oxoethylidene)dodecahydro-7H-cyclopenta[a]naphthalen-7-ylidene)acetic Acid

(Z)-2-((3R,3aS,5aS,9aR,9bS,Z)-3-Ethynyl-3-hydroxy-3a-methyl-6-(2-oxoethylidene)dodecahydro-7H-cyclopenta[a]naphthalen-7-ylidene)acetic Acid


  • Catalogue No.:PA 05 46550

  • CAS :

    NA

  • Molecular Formula : C20H24O4

  • Molecular Weight : 328.41

PA 05 46560

(Z)-2-((3R,3aS,5aS,9aR,9bS)-3-Ethynyl-3-hydroxy-3a,6-dimethyldodecahydro-7H-cyclopenta[a]naphthalen-7-ylidene)acetic Acid

(Z)-2-((3R,3aS,5aS,9aR,9bS)-3-Ethynyl-3-hydroxy-3a,6-dimethyldodecahydro-7H-cyclopenta[a]naphthalen-7-ylidene)acetic Acid


  • Catalogue No.:PA 05 46560

  • CAS :

    NA

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

PA 05 46570

(2Z,2'Z)-2,2'-((3R,3aS,5aS,9aR,9bS)-3-Ethynyl-3-hydroxy-3a-methyldecahydro-1H-cyclopenta[a]naphthalene-6,7-diylidene)diacetic acid

(2Z,2'Z)-2,2'-((3R,3aS,5aS,9aR,9bS)-3-Ethynyl-3-hydroxy-3a-methyldecahydro-1H-cyclopenta[a]naphthalene-6,7-diylidene)diacetic acid


  • Catalogue No.:PA 05 46570

  • CAS :

    1006654-79-0

  • Molecular Formula : C20H24O5

  • Molecular Weight : 344.41

PA 05 46580

2-((3R,3aS,5aS,9aR,9bS,Z)-7-(Carboxymethylene)-3-ethynyl-3-hydroxy-3a-methyldodecahydro-1H-cyclopenta[a]naphthalen-6-yl)-2-oxoacetic acid

2-((3R,3aS,5aS,9aR,9bS,Z)-7-(Carboxymethylene)-3-ethynyl-3-hydroxy-3a-methyldodecahydro-1H-cyclopenta[a]naphthalen-6-yl)-2-oxoacetic acid


  • Catalogue No.:PA 05 46580

  • CAS :

    NA

  • Molecular Formula : C20H24O6

  • Molecular Weight : 360.41

PA 05 46590

2-((3R,3aS,5aS,9aR,9bS)-7-(Carboxy(hydroxy)methyl)-3-ethynyl-3-hydroxy-3a-methyldodecahydro-1H-cyclopenta[a]naphthalen-6-yl)-2-oxoacetic Acid

2-((3R,3aS,5aS,9aR,9bS)-7-(Carboxy(hydroxy)methyl)-3-ethynyl-3-hydroxy-3a-methyldodecahydro-1H-cyclopenta[a]naphthalen-6-yl)-2-oxoacetic Acid


  • Catalogue No.:PA 05 46590

  • CAS :

    NA

  • Molecular Formula : C20H26O7

  • Molecular Weight : 378.42

PA 05 46600

(3R,3aS,5aS,9aR,9bS)-6-(Carboxycarbonyl)-3-ethynyl-3-hydroxy-3a-methyldodecahydrospiro[cyclopenta[a]naphthalene-7,3'-[1,2]dioxetane]-4'-carboxylic Acid

(3R,3aS,5aS,9aR,9bS)-6-(Carboxycarbonyl)-3-ethynyl-3-hydroxy-3a-methyldodecahydrospiro[cyclopenta[a]naphthalene-7,3'-[1,2]dioxetane]-4'-carboxylic Acid


  • Catalogue No.:PA 05 46600

  • CAS :

    NA

  • Molecular Formula : C20H24O8

  • Molecular Weight : 392.4

PA 05 46610

2-((3R,3aS,5aS,9aR,9bS)-7-(Carboxy(hydroperoxy)methyl)-3-ethynyl-3-hydroxy-3a-methyldodecahydro-1H-cyclopenta[a]naphthalen-6-yl)-2-oxoacetic Acid

2-((3R,3aS,5aS,9aR,9bS)-7-(Carboxy(hydroperoxy)methyl)-3-ethynyl-3-hydroxy-3a-methyldodecahydro-1H-cyclopenta[a]naphthalen-6-yl)-2-oxoacetic Acid


  • Catalogue No.:PA 05 46610

  • CAS :

    NA

  • Molecular Formula : C20H26O8

  • Molecular Weight : 394.42

PA 05 46620

(Z)-2-((3R,3aS,9aS,9bS)-3-ethynyl-6-formyl-3-hydroxy-3a-methyl-1,2,3,3a,4,5,8,9,9a,9b-decahydro-7H-cyclopenta[a]naphthalen-7-ylidene)acetic acid

(Z)-2-((3R,3aS,9aS,9bS)-3-ethynyl-6-formyl-3-hydroxy-3a-methyl-1,2,3,3a,4,5,8,9,9a,9b-decahydro-7H-cyclopenta[a]naphthalen-7-ylidene)acetic acid


  • Catalogue No.:PA 05 46620

  • CAS :

    NA

  • Molecular Formula : C19H22O4

  • Molecular Weight : 314.38

PA 05 46630

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

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


  • Catalogue No.:PA 05 46630

  • CAS :

    1436392-24-3

  • Molecular Formula : C19H22O2

  • Molecular Weight : 282.38

PA 05 46640

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

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


  • Catalogue No.:PA 05 46640

  • CAS :

    108646-70-4

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.41

PA 05 46650

17β-Dihydro-17α-ethynyl-equillenin

17β-Dihydro-17α-ethynyl-equillenin


  • Catalogue No.:PA 05 46650

  • CAS :

    1357266-17-1

  • Molecular Formula : C20H20O2

  • Molecular Weight : 292.38

PA EPE1900000

Ethinylestradiol (E1900000)

Ethinylestradiol (E1900000)


  • Catalogue No.:PA EPE1900000

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA ICRS0305

Ethinylestradiol (ICRS0305)


  • Catalogue No.:PA ICRS0305

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 86 10

Ethinylestradiol (IPRS/86/10)-from IPC


  • Catalogue No.:PA IPIPRS 86 10

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA JP0078

Ethinylestradiol (JP 0078)

Ethinylestradiol (JP 0078)


  • Catalogue No.:PA JP0078

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001124

Ethinylestradiol for system suitability (Y0001124)

Ethinylestradiol for system suitability (Y0001124)


  • Catalogue No.:PA EPY0001124

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA BP421RB

ethinylestradiol (421RB)

ethinylestradiol (421RB)


  • Catalogue No.:PA BP421RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 05 005070

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


  • Catalogue No.:PAI 05 005070

  • CAS :

    NA

  • Molecular Formula : C21H26O4

  • Molecular Weight : 342.44

PAI 05 005080

(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 Acetate


  • Catalogue No.:PAI 05 005080

  • CAS :

    NA

  • Molecular Formula : C21H28O3

  • Molecular Weight : 328.45

PAI 05 005090

17β-Estradiol Diacetate

17β-Estradiol Diacetate


  • Catalogue No.:PAI 05 005090

  • CAS :

    3434-88-6

  • Molecular Formula : C22H28O4

  • Molecular Weight : 356.46

PAI 05 005100

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


  • Catalogue No.:PAI 05 005100

  • CAS :

    NA

  • Molecular Formula : C23H28O5

  • Molecular Weight : 384.47

PAI 05 005110

(8R,9S,13S,14S,17S)-13-Methyl-3-((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl Acetate


  • Catalogue No.:PAI 05 005110

  • CAS :

    NA

  • Molecular Formula : C25H34O4

  • Molecular Weight : 398.54

PAI 05 005120

(8R,9S,13S,14S,17S)-4-Formyl-13-methyl-3-((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl Acetate


  • Catalogue No.:PAI 05 005120

  • CAS :

    NA

  • Molecular Formula : C26H34O5

  • Molecular Weight : 426.55

PAI 05 005130

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


  • Catalogue No.:PAI 05 005130

  • CAS :

    NA

  • Molecular Formula : C20H25BrO3

  • Molecular Weight : 393.32

PAI 05 005140

2,2'-[[(17β)-Estra-1,3,5(10)-triene-3,17-diyl]bis(oxy)]bis[tetrahydro-2H-pyran

2,2'-[[(17β)-Estra-1,3,5(10)-triene-3,17-diyl]bis(oxy)]bis[tetrahydro-2H-pyran


  • Catalogue No.:PAI 05 005140

  • CAS :

    3589-91-1

  • Molecular Formula : C28H40O4

  • Molecular Weight : 440.62

PAI 05 005150

4-Bromo 17β-Estradiol

4-Bromo 17β-Estradiol


  • Catalogue No.:PAI 05 005150

  • CAS :

    1630-83-7

  • Molecular Formula : C18H23BrO2

  • Molecular Weight : 351.28

PAI 05 005160

(((8R,9S,13S,14S,17S)-4-bromo-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diyl)bis(oxy))bis(tert-butyldimethylsilane)


  • Catalogue No.:PAI 05 005160

  • CAS :

    NA

  • Molecular Formula : C30H51BrO2Si2

  • Molecular Weight : 579.81

PAI 05 005170

(((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-diyl)bis(oxy))bis(tert-butyldimethylsilane)


  • Catalogue No.:PAI 05 005170

  • CAS :

    NA

  • Molecular Formula : C31H54O2Si2

  • Molecular Weight : 514.94

PAI 05 005180

2,2'-(((8R,9S,13S,14S,17S)-4-Bromo-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diyl)bis(oxy))bis(tetrahydro-2H-pyran)


  • Catalogue No.:PAI 05 005180

  • CAS :

    NA

  • Molecular Formula : C28H39BrO4

  • Molecular Weight : 519.52

PAI 05 005190

2,2'-(((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-diyl)bis(oxy))bis(tetrahydro-2H-pyran)


  • Catalogue No.:PAI 05 005190

  • CAS :

    NA

  • Molecular Formula : C29H42O4

  • Molecular Weight : 454.65

PAI 05 005200

(8R,9S,13S,14S,17S)-3,17-bis((Tert-butyldimethylsilyl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-4-carbaldehyde


  • Catalogue No.:PAI 05 005200

  • CAS :

    NA

  • Molecular Formula : C31H52O3Si2

  • Molecular Weight : 528.92

PA 05 46660

2,4,16α-Tribromo Estrone

2,4,16α-Tribromo Estrone


  • Catalogue No.:PA 05 46660

  • CAS :

    79258-15-4

  • Molecular Formula : C18H19Br3O2

  • Molecular Weight : 507.05

PAI 05 005201

17-(2-Oxopropoxy)-7,8,9,11,12,13,14,15-octahydro-6H-cyclopenta[a]phenanthren-3-yl Acetate

17-(2-Oxopropoxy)-7,8,9,11,12,13,14,15-octahydro-6H-cyclopenta[a]phenanthren-3-yl Acetate


  • Catalogue No.:PAI 05 005201

  • CAS :

    NA

  • Molecular Formula : C22H26O4

  • Molecular Weight : 354.45

PAI 05 005202

2,6b,7,8,8a,8b,9a,10,10a,10b-Decahydro-1H-naphtho[2',1':4,5]indeno[1,2-b]oxiren-4-yl Acetate

2,6b,7,8,8a,8b,9a,10,10a,10b-Decahydro-1H-naphtho[2',1':4,5]indeno[1,2-b]oxiren-4-yl Acetate


  • Catalogue No.:PAI 05 005202

  • CAS :

    NA

  • Molecular Formula : C19H22O3

  • Molecular Weight : 298.38

PAI 05 005203

1,2,6b,7,8,8a,9a,10,10a,10b-Decahydro-8bH-naphtho[2',1':4,5]indeno[1,2-b]oxirene-4,8b-diyl Diacetate

1,2,6b,7,8,8a,9a,10,10a,10b-Decahydro-8bH-naphtho[2',1':4,5]indeno[1,2-b]oxirene-4,8b-diyl Diacetate


  • Catalogue No.:PAI 05 005203

  • CAS :

    NA

  • Molecular Formula : C21H24O5

  • Molecular Weight : 356.42

PAI 05 005204

3,16-Dihydroxy-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one

3,16-Dihydroxy-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one


  • Catalogue No.:PAI 05 005204

  • CAS :

    NA

  • Molecular Formula : C17H20O3

  • Molecular Weight : 272.34

PAI 05 005205

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

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


  • Catalogue No.:PAI 05 005205

  • CAS :

    NA

  • Molecular Formula : C19H22O3

  • Molecular Weight : 298.38

PA STI 088481

17α-Ethynyl-13C2-estradiol

17α-Ethynyl-13C2-estradiol


  • Catalogue No.:PA STI 088481

  • CAS :

    NA

  • Molecular Formula : C1813C2H24O2

  • Molecular Weight : 298.39

PA STI 088483

17α-Ethynylestradiol-16,16-d2 3-Methyl Ether

17α-Ethynylestradiol-16,16-d2 3-Methyl Ether


  • Catalogue No.:PA STI 088483

  • CAS :

    NA

  • Molecular Formula : C21H24D2O2

  • Molecular Weight : 312.45

PA STI 088484

17α-Ethynylestradiol-2,4,16,16-d4 3-Methyl Ether

17α-Ethynylestradiol-2,4,16,16-d4 3-Methyl Ether


  • Catalogue No.:PA STI 088484

  • CAS :

    NA

  • Molecular Formula : C21H22D4O2

  • Molecular Weight : 314.46

PA 05 0461000

1-Hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol

1-Hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol


  • Catalogue No.:PA 05 0461000

  • CAS :

    1034298-00-4

  • Molecular Formula : C21H26O2

  • Molecular Weight : 310.44

PAI 05 005206

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

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


  • Catalogue No.:PAI 05 005206

  • CAS :

    NA

  • Molecular Formula : C20H22O3

  • Molecular Weight : 310.39

PAI 05 005207

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

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


  • Catalogue No.:PAI 05 005207

  • CAS :

    NA

  • Molecular Formula : C24H26O5

  • Molecular Weight : 394.47

PAI 05 005208

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

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


  • Catalogue No.:PAI 05 005208

  • CAS :

    NA

  • Molecular Formula : C24H28O5

  • Molecular Weight : 396.48

PA 05 0461001

17-Ethynylestriol

17-Ethynylestriol


  • Catalogue No.:PA 05 0461001

  • CAS :

    4717-40-2

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.41

PAI 05 005209

2-tert-Butylestrone

2-tert-Butylestrone


  • Catalogue No.:PAI 05 005209

  • CAS :

    21003-02-1

  • Molecular Formula : C22H30O2

  • Molecular Weight : 326.48

PAI 05 005210

2-(1,1-Dimethylethyl)-3-hydroxy-17-oxoestra-1,3,5(10)-triene-4-carboxaldehyde

2-(1,1-Dimethylethyl)-3-hydroxy-17-oxoestra-1,3,5(10)-triene-4-carboxaldehyde


  • Catalogue No.:PAI 05 005210

  • CAS :

    959396-07-7

  • Molecular Formula : C23H30O3

  • Molecular Weight : 354.49

PAI 05 005211

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

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


  • Catalogue No.:PAI 05 005211

  • CAS :

    NA

  • Molecular Formula : C20H26O2

  • Molecular Weight : 298.43

PAI 05 005212

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

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


  • Catalogue No.:PAI 05 005212

  • CAS :

    NA

  • Molecular Formula : C20H26O

  • Molecular Weight : 282.43

PAI 05 005213

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

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


  • Catalogue No.:PAI 05 005213

  • CAS :

    NA

  • Molecular Formula : C22H24O4

  • Molecular Weight : 352.43

PA 05 0461002

3-O-Methyl 6-Hydroxy 17β-Estradiol

3-O-Methyl 6-Hydroxy 17β-Estradiol


  • Catalogue No.:PA 05 0461002

  • CAS :

    109835-83-8

  • Molecular Formula : C19H26O3

  • Molecular Weight : 302.41

PAI 05 005214

(8R,9S,13S,14S)-3-((Tert-butyldimethylsilyl)oxy)-1,13-dimethyl-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one

(8R,9S,13S,14S)-3-((Tert-butyldimethylsilyl)oxy)-1,13-dimethyl-6,7,8,9,11,12,13,14,15,16-decahydro-17H-cyclopenta[a]phenanthren-17-one


  • Catalogue No.:PAI 05 005214

  • CAS :

    NA

  • Molecular Formula : C25H38O2Si

  • Molecular Weight : 398.66

PAI 05 005215

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

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


  • Catalogue No.:PAI 05 005215

  • CAS :

    NA

  • Molecular Formula : C20H23BrO3

  • Molecular Weight : 391.31

PAI 05 005216

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

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


  • Catalogue No.:PAI 05 005216

  • CAS :

    NA

  • Molecular Formula : C21H26O3

  • Molecular Weight : 326.44

PAI 05 005217

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

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


  • Catalogue No.:PAI 05 005217

  • CAS :

    NA

  • Molecular Formula : C19H24O2

  • Molecular Weight : 284.4

PA 05 0461004

(8S,9S,10S,11S,13S,14S)-17-Acetyl-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-2-yl acetate

(8S,9S,10S,11S,13S,14S)-17-Acetyl-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-2-yl acetate


  • Catalogue No.:PA 05 0461004

  • CAS :

    NA

  • Molecular Formula : C23H28O5

  • Molecular Weight : 384.47

PAI 05 005218

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

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


  • Catalogue No.:PAI 05 005218

  • CAS :

    NA

  • Molecular Formula : C24H34O2Si

  • Molecular Weight : 382.62

PA 05 0461005

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

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


  • Catalogue No.:PA 05 0461005

  • CAS :

    1818-11-7

  • Molecular Formula : C21H24O2

  • Molecular Weight : 308.42

PAI 05 005219

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

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


  • Catalogue No.:PAI 05 005219

  • CAS :

    NA

  • Molecular Formula : C24H34O2Si

  • Molecular Weight : 382.62

PA 05 0461006

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

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


  • Catalogue No.:PA 05 0461006

  • CAS :

    303014-86-0

  • Molecular Formula : C20H24O4

  • Molecular Weight : 328.41

PA 05 0461007

Estradiol Dimer Impurity

Estradiol Dimer Impurity


  • Catalogue No.:PA 05 0461007

  • CAS :

    NA

  • Molecular Formula : C72H92O8

  • Molecular Weight : 1085.52

PA 05 0461008

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

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


  • Catalogue No.:PA 05 0461008

  • CAS :

    24380-05-0

  • Molecular Formula : C20H24O3

  • Molecular Weight : 312.41

PAI 05 005220

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

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


  • Catalogue No.:PAI 05 005220

  • CAS :

    100456-57-3

  • Molecular Formula : C23H31NO2

  • Molecular Weight : 353.51

PAI 05 005221

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

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


  • Catalogue No.:PAI 05 005221

  • CAS :

    NA

  • Molecular Formula : C23H32O3Si

  • Molecular Weight : 384.59

PA 05 0461009

[2,2'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)

[2,2'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)


  • Catalogue No.:PA 05 0461009

  • CAS :

    303014-88-2

  • Molecular Formula : C40H46O4

  • Molecular Weight : 590.8

PA 05 0461010

[2,4'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)

[2,4'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a)


  • Catalogue No.:PA 05 0461010

  • CAS :

    303014-89-3

  • Molecular Formula : C40H46O4

  • Molecular Weight : 590.8

PA IPRS 37 17

Ethinylestradiol (IPRS/37/17)

Ethinylestradiol (IPRS/37/17)


  • Catalogue No.:PA IPRS 37 17

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 05 005224

19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 3-acetate

19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 3-acetate


  • Catalogue No.:PAI 05 005224

  • CAS :

    55870-08-1

  • Molecular Formula : C22H26O3

  • Molecular Weight : 338.45

PAI 05 005223

(6bS,8aS,8bS,9aR,10aS,10bR)-8b-Ethynyl-8a-methyl-2,6b,7,8,8a,8b,9a,10,10a,10b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-b]oxiren-4-yl acetate

(6bS,8aS,8bS,9aR,10aS,10bR)-8b-Ethynyl-8a-methyl-2,6b,7,8,8a,8b,9a,10,10a,10b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-b]oxiren-4-yl acetate


  • Catalogue No.:PAI 05 005223

  • CAS :

    55812-84-5

  • Molecular Formula : C22H24O3

  • Molecular Weight : 336.43

PAI 05 005222

19-Norpregna-1,3,5(10),16-tetraen-20-yn-3-ol, Acetate

19-Norpregna-1,3,5(10),16-tetraen-20-yn-3-ol, Acetate


  • Catalogue No.:PAI 05 005222

  • CAS :

    14030-45-6

  • Molecular Formula : C22H24O2

  • Molecular Weight : 320.43

PAI 05 005225

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

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


  • Catalogue No.:PAI 05 005225

  • CAS :

    NA

  • Molecular Formula : C29H29NO6

  • Molecular Weight : 487.55