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ID CAS Name Synonyms Molecular Formula Category
142438-88-0R 2956R 2956C21H28O2
255303-99-6avaroneavarone
(+)-Avarone
2-[[(1R)-1,2β,4aβ,5-Tetramethyl-1,2,3,4,4a,7,8,8aα-octahydronaphthalene-1α-yl]methyl]-1,4-benzoquinone
2-[[(1R)-1,2,3,4,4a,7,8,8aα-Octahydro-1,2β,4aβ,5-tetramethylnaphthalen-1-yl]methyl]-2,5-cyclohexadiene-1,4-dione
2,5-Cyclohexadiene-1,4-dione, 2-[[(1R,2S,4aS,8aS)-1,2,3,4,4a,7,8,8a-octahydro-1,2,4a,5-tetramethyl-1-naphthalenyl]methyl]-
C21H28O2
35630-53-5TiboloneLIVIAL
LIVIELLA
TIBOLONE
Tibolone
-TIBOLONE
17-hydroxy-7alpha-methyl-19-norpregn-5(10)-en-20-yn-3-one
5(10)-ESTREN-7-ALPHA-METHYL-17-ALPHA-ETHYNYL-17-BETA-OL-3-ONE
(7A,17A)-17-HYDROXY-7-METHYL-19-NORPREGN-5(10)-EN-20-YL-3-ONE
17ALPHA-HYDROXY-7ALPHA-METHYL-19-NORPREGN-5(10)-EN-20-YN-3-ONE
19-NORPREGN-5(10)-EN-20-YN-3-ONE,17-HYDROXY-7-METHYL-, (7A,17A)-
(7alpha,17beta)-17-ethynyl-17-hydroxy-7-methylestr-5(10)-en-3-one
(7alpha,8xi,13xi,17beta)-17-ethynyl-17-hydroxy-7-methylestr-5(10)-en-3-one
C21H28O2Ph;None;Hormone;Steroids;Acetylenes;Biochemistry;Steroid and Hormone;Hydroxyketosteroids;Functionalized Acetylenes;Intermediates & Fine Chemicals
46533-00-2NorgestrelNorgestrel
D-NORGESTREL
D(-)-NORGESTREL
Norgestrel (DL-)
dl-13b-ethyl-17a-ethynyl-17b-hydroxygon-4-en-3-one
dl-13-beta-Ethyl-17-alpha-ethynyl-19-nortestosterone
4-GONEN-13BETA-ETHYL-17ALPHA-ETHYNYL-17BETA-OL-3-ONE
4-PREGNEN-13BETA-ETHYL-18,19-DINOR 17BETA-OL-3-ONE-20-YNE
dl-13-beta-Ethyl-17-alpha-ethynyl-17-beta-hydroxygon-4-en-3-one
13-ethyl-17-hydroxy-19-dinorpregn-4-en-20-yn-3-on(17-alpha)-(+-)-1
(+-)-13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one
(+-)-13-ethyl-17-hydroxy-18,19-dinor-17-alpha-pregn-4-en-20-yn-3-one
18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-,(17alpha)-(+-)-
18,19-Dinor-17-alpha-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (+-)-
13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
(10R,13S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
(8R,9S,10R,13S,14S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
(8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
C21H28O2Hormone;SARIDON;Ketones;Steroids;Glucuronides;Pharmaceuticals;Chiral Reagents;Organic materials;Metabolites & Impurities;Intermediates & Fine Chemicals
5434-03-7ethisteroneGestoral
ethisterone
Ethisterone
pregneninolone
ethynyl testosterone
ANHYDROXYPROGESTERONE
17a-ethynyl testosterone
anhydrohydroxyprogesterone
ANHYDROHYDROXYPROGESTERONE
4,17A-PREGNEN-17B-OL-20-YNE
17-alpha-ethynyltestosterone
17-hydroxypregn-4-en-20-yn-3-one
4,17a-pregnen-17b-ol-20-yn-3-one
4,17ALPHA-PREGNEN-17BETA-OL-20-YN-3-ONE
17a-ethynyl-17b-hydroxy-4-androsten-3-one
(17alpha)-17-hydroxypregn-4-en-20-yn-3-one
17BETA-HYDROXY-4,17ALPHA-PREGNEN-20-YN-3-ONE
4-ANDROSTEN-17-ALPHA-ETHYNYL-17-BETA-OL-3-ONE
(8xi,9xi,14xi,17alpha)-17-hydroxypregn-4-en-20-yn-3-one
(8xi,9xi,10xi,13xi,14xi,17alpha)-17-hydroxypregn-4-en-20-yn-3-one
(8R,9S,10R,13S,14S,17R)-17-ETHYNYL-17-HYDROXY-10,13-DIMETHYL-1,2,6,7,8,9,10,11,12,13,14,15,16,17-TETRADECAHYDRO-CYCLOPENTA[A]PHENANTHREN-3-ONE
C21H28O2Ph;Ketones;Steroids;Acetylenes;Biochemistry;Organic materials;Hydroxyketosteroids;Metabolites & Impurities;Functionalized Acetylenes;Intermediates & Fine Chemicals
632297-45-37β-Tibolone7β-TiboloneC21H28O2
7NORGESTREL-D6NORGESTREL-D6
Wy-3707-d6
Neogest-d6
Ovrette-d6
C21H28O2Intermediates & Fine Chemicals;Isotope Labeled Compounds;Pharmaceuticals;Steroids
8152-62-5Dydrogesteroneprodel
terolut
retrone
Dydrogesterone
DYDROGESTERONE
Dyhydrogesterone
10a-Isopregnenone
D6-Retroprogesterone
6-Dehydroretroprogesterone
.DELTA.6-Retroprogesterone
retro-6-dehydroprogesterone
DYDROGESTERONE, BP STANDARD
DYDROGESTERONE, USP STANDARD
6-Dehydro-9b,10a-progesterone
9b,10a-Pregna-4,6-diene-3,20-dione
(9b,10a)-Pregna-4,6-diene-3,20-dione
(9beta,10xi)-pregna-4,6-diene-3,20-dione
6-Dehydro-9.beta.,10.alpha.-progesterone
(9beta,10alpha)-Pregna-4,6-diene-3,20-dione
9beta,10alpha-Pregna-4,6-diene-3,20-dione (8CI)
C21H28O2Ketones;INDOKLON;Steroids;Pharma material;Pharmaceuticals;Organic materials;Steroid and Hormone;Intermediates & Fine Chemicals
939025-23-5Z-GuggulsteroneGUGULSTERONE
GUGGULSTERONE
GUGGULSTERONE Z
Z-Guggulsterone
GUGGULESTERONE Z
CIS GUGGULSTERONE
GUGGULSTERONE (Z FORM)
CIS-4,17(20)-PREGNADIENE-3,16-DIONE
4,17(20)-(CIS)-PREGNADIEN-3,16-DIONE
C21H28O2None
10Ethisterone-13C2Ethisterone-13C2
17a-Ethynyltestosterone-13C2
17a-Hydroxypregn-4-en-20-yn-3-one-13C2
Ethinone-13C2
Gestoral-13C2
Lucorteum Oral-13C2
Lutocyclol-13C2
Nalutoral-13C2
C21H28O2Intermediates & Fine Chemicals;Isotope Labeled Compounds;Metabolites & Impurities;Pharmaceuticals;Isotope Labelled Compounds
1195975-55-6(Z)-GuggulsteroneGugulipid
GUGULSTERONE
Guggulsterone
CIS GUGGULSTERONE
(Z)-Guggulsterone
pregna-4,17-diene-3,16-dione
Pregna-4,17-diene-3,16-dione
PREGNA-4,17(20)-DIENE-3,16-DIONE
(17Z)-pregna-4,17-diene-3,16-dione
CIS-4,17(20)-PREGNADIENE-3,16-DIONE
4,17(20)-(CIS)-PREGNADIEN-3,16-DIONE
(17E)-Pregna-4,17(20)-diene-3,16-dione
(8alpha,9beta,17E)-20-methoxypregna-4,17-diene-3,16-dione
(8S,9R,10R,13S,14S,17E)-17-(1-methoxyethylidene)-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15-decahydrocyclopenta[a]phenanthrene-3,16-dione
C21H28O2Ketones;Miscellaneous;Organic materials
121162-56-7DehydroprogesteroneDehydroprogesterone
DELTA-6-PROGESTERONE
6-DEHYDROPROGESTERONE
6-Dehydroprogesterone
6-Dehydropregesterone
6-Dehydropprogesterone
Progesterone Derivatives
4,6-PREGNADIEN-3,20-DIONE
Pregna-4,6-diene-3,20-dione
PREGNA-4,6-DIENE-3,20-DIONE
6- dehydrogenase Progesterone
C21H28O2Ketones;Organic materials
13Norgestrel-d6 (Major)(+/-)-13-Ethyl-17α-ethynyl-17-hydroxygon-4-en-3-one-d6
(17α)-(+/-)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one-d6
Norgestrel-d6 (Major)
C21H28O2Intermediates & Fine Chemicals;Isotope Labelled Compounds;Pharmaceuticals;Steroids
141096-38-416-dehydroprogesteroneNSC 9785
NSC 11037
16-Dehydroprogesterone
16-dehydroprogesterone
16-DEHYDROPROGESTERONE
4,16-PREGNADIEN-3,20-DIONE
4,16-PREGNADIENE-3,20-DIONE
3,20-Dioxopregna-4,16-diene
16,17-Didehydroprogesterone
Pregna-4,16-diene-3,20-dione
pregna-4,16-diene-3,20-dione
delta4,16-Pregnadiene-3,20-dione
16-DEHYDROPROGESTERONE CRYSTALLINE
16- progesterone dehydroepiandrosterone
6- progesterone, dehydroepiandrosterone
17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15-decahydrocyclopenta[a]phenanthren-3-one
C21H28O2Ketones;Steroids;Organic materials;Pharmaceutical Raw Materials
15856893-82-8Tetrahydrogestrinone-d4Tetrahydrogestrinone-d4
(8S,13S,14S,17R)-13-ethyl-17-hydroxy-17-(1,1,2,2-tetradeuterioethyl)-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
C21H28O2Steroids;Pharmaceuticals;Isotope Labelled Compounds;Intermediates & Fine Chemicals
161162-54-51,4-PREGNADIEN-3,20-DIONE1,4-PREGNADIEN-3,20-DIONEC21H28O2
17pregna-4,20-diene-3,6-dionepregna-4,20-diene-3,6-dioneC21H28O2
1824377-08-0Pregna-4,14-diene-3,20-dionePregna-4,14-diene-3,20-dioneC21H28O2
195541-87-7rac 8α-[Δ-5(10)]-Norgestrelrac 8α-[Δ-5(10)]-NorgestrelC21H28O2
202640-38-29β-Pregna-4,6-diene-3,20-dione9β-Pregna-4,6-diene-3,20-dioneC21H28O2
2141245-49-21,4-Naphthalenedione, 2-undecyl-1,4-Naphthalenedione, 2-undecyl-C21H28O2
2214508-12-416-acetylandrosta-4,16-dien-3-oneEinecs 238-516-5
16-acetylandrosta-4,16-dien-3-one
Androsta-4,16-dien-3-one, 16-acetyl-
C21H28O2
236807-18-74,4'-(1-methyloctylidene)bisphenol2,2-bis-(4-hydroxy-phenyl)-nonane
4,4'-(1-methyloctylidene)bisphenol
Phenol, 4,4'-(1-methyloctylidene)bis-
C21H28O2
242,2-Bis[4-(propyloxy)phenyl]propane2,2-Bis[4-(propyloxy)phenyl]propaneC21H28O2
25133-63-12,2'-methylenebis[6-tert-butylphenol]2,2'-methylenebis[6-tert-butylphenol]
2,2'-Methylenebis[6-(1,1-dimethylethyl)phenol]
C21H28O2
2617B-HYDROXY-17A-PREGN-4-EN-20-YN-3-ONE17B-HYDROXY-17A-PREGN-4-EN-20-YN-3-ONEC21H28O2
27127-54-84,4-Isopropylidenebis(2-Isopropylphenol)Bisphenol G
4,4-Isopropylidenebis(2-Isopropylphenol)
4,4'-ISOPROPYLIDENEBIS(2-ISOPROPYLPHENOL)
2,2-BIS(4-HYDROXY-3-ISOPROPYLPHENYL)PROPANE
4,4'-(Propane-2,2-diyl)bis(2-isopropylphenol)
4-[2-(4-hydroxy-3-propan-2-ylphenyl)propan-2-yl]-2-propan-2-ylphenol
4-[2-(4-hydroxy-3-propan-2-yl-phenyl)propan-2-yl]-2-propan-2-yl-phenol
4-[1-(4-hydroxy-3-isopropyl-phenyl)-1-methyl-ethyl]-2-isopropyl-phenol
C21H28O2None;Developer;Functional Materials;Color Former & Related Compounds;Reagent for High-Performance Polymer Research;Bisphenol A type Compounds (for High-Performance Polymer Research)
28100021-05-45(6)-Dehydro-4(5)-dihydro D-(-)-NorgestrelLevonorgestrel IMpurity P
Levonorgestrel EP impurity P
5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel
Levonorgestrel Impurity 16(Levonorgestrel EP Impurity P)
(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one
(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one
(17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5-en-20-yn-3-one
C21H28O2Steroids;Impurities;Pharmaceuticals;Intermediates & Fine Chemicals
2983860-24-612-hydroxymethylretinoic acid delta-lactone12-hydroxymethylretinoic acid delta-lactone
Retinoic acid, 12-(hydroxymethyl)-, δ-lactone, 11-cis- (9CI)
C21H28O2
301323980-05-7Gona-3,5,15-trien-17-one, 3-ethoxy-13-ethyl-Gona-3,5,15-trien-17-one, 3-ethoxy-13-ethyl-C21H28O2
313-(p-Methoxybenzyl)-4-(p-methoxyphenyl)hexane3-(p-Methoxybenzyl)-4-(p-methoxyphenyl)hexane
Compound 77/735
C21H28O2
32(-)-1-Naphthoic acid [(R)-1-methylnonyl] ester(-)-1-Naphthalenecarboxylic acid [(R)-1-methylnonyl] ester
(-)-1-Naphthoic acid [(R)-1-methylnonyl] ester
C21H28O2
332,6-Di-tert-butyl-4-[[(phenyl)oxy]methyl]phenol2,6-Di-tert-butyl-4-[[(phenyl)oxy]methyl]phenolC21H28O2
3418492-76-76,8,11,13-Abietatetrene-18-oic acid methyl esterMethyl 6-dehydroabietate
Abieta-6,8,11,13-tetren-18-oic acid methyl ester
6,8,11,13-Abietatetrene-18-oic acid methyl ester
13-Isopropylpodocarpa-6,8,11,13-tetrene-18-oic acid methyl ester
1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,10a-hexahydro-1,4a-dimethyl-7-(1-methylethyl)-, methyl ester, (1R,4aS,10aR)-
C21H28O2
3517554-63-1Pregn-4-en-20-yn-3-one, 17-hydroxy-, (13α)- (9CI)17554-63-1
Pregn-4-en-20-yn-3-one, 17-hydroxy-, (13α)- (9CI)
C21H28O2
3627955-87-9Benzene,1,1'-(2,2-dimethylpropylidene)bis[4-ethoxy-Benzene,1,1'-(2,2-dimethylpropylidene)bis[4-ethoxy-C21H28O2
3754793-02-13-Methoxy-16,16-dimethyl-1,3,5(10)-estratrien-17-one3-Methoxy-16,16-dimethyl-1,3,5(10)-estratrien-17-one
Estra-1,3,5(10)-trien-17-one, 3-methoxy-16,16-dimethyl- (7CI,9CI)
C21H28O2
38125796-80-7Benzene,1-ethoxy-4-[[4-(2-ethylbutyl)phenoxy]methyl]-Benzene,1-ethoxy-4-[[4-(2-ethylbutyl)phenoxy]methyl]-C21H28O2
396885-48-9(17R)-3-Methoxy-19-norpregna-1,3,5(10),20-tetren-17-ol(17R)-3-Methoxy-19-norpregna-1,3,5(10),20-tetren-17-ol
19-Norpregna-1,3,5(10),20-tetraen-17-ol, 3-methoxy-, (17α)-
C21H28O2
4085665-82-33-(p-isopropylphenyl)-2-methyl-1-(phenethyloxy)propanolEinecs 288-174-6
3-(p-isopropylphenyl)-2-methyl-1-(phenethyloxy)propanol
4-Isopropyl-β-methyl-α-(2-phenylethoxy)benzene-1-propanol
Benzenepropanol, β-methyl-4-(1-methylethyl)-α-(2-phenylethoxy)-
C21H28O2
4119914-67-113-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-oneEP Levonorgestrel Impurity B
Levonorgestrel EP impurity B
13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one
17-Ethinyl-17-hydroxy-18-methylestr-5(10)-en-3-one
13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)
13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B)
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one(Levonorgestrel Impurity B)
C21H28O2Steroids;Impurities;Pharmaceuticals;Intermediates & Fine Chemicals;Impurities, Pharmaceuticals, Intermediates & Fine Chemicals, Steroids
42(+)-1-Naphthalenecarboxylic acid [(S)-1-methylnonyl] ester(+)-1-Naphthalenecarboxylic acid [(S)-1-methylnonyl] ester
(+)-1-Naphthoic acid [(S)-1-methylnonyl] ester
C21H28O2
437359-79-7Estr-4-en-3-one, 17-hydroxy-17-(1-propynyl)-, (17β)- (9CI)Estr-4-en-3-one, 17-hydroxy-17-(1-propynyl)-, (17β)- (9CI)
21-METHYLNORETHISTERONE
C21H28O2
44(7A,17A)-17-HYDROXY-7-METHYL-19-NORPREGN-4(5)-EN-20-YL-3-ONEDELTA-4-TIBOLONE
(7A,17A)-17-HYDROXY-7-METHYL-19-NORPREGN-4(5)-EN-20-YL-3-ONE
C21H28O2
45178737-52-518,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy- (9CI)Levonorgestrel Impurity 17
18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy- (9CI)
C21H28O2
4623983-19-9Estra-4,9,11-trien-3-one, 17-hydroxy-2,2,17-trimethyl-, (17β)-Estra-4,9,11-trien-3-one, 17-hydroxy-2,2,17-trimethyl-, (17β)-C21H28O2
4760806-49-7formaldehyde, polymer with 4-cyclohexylphenol anddimethylbenzeneformaldehyde, polymer with 4-cyclohexylphenol anddimethylbenzene
Formaldehyde, polymer with 4-cyclohexylphenol and dimethylbenzene
C21H28O2
4894134-77-71-methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)allyl phenylacetate1-methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)allyl phenylacetate
Benzeneacetic acid 1-methyl-3-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2-propenyl ester
C21H28O2
49882297-86-119-Norpregn-4-en-20-yne-3,17-diol, 11-methylene-, (3β,17α)- (9CI)19-Norpregn-4-en-20-yne-3,17-diol, 11-methylene-, (3β,17α)- (9CI)
(3S,8S,9S,10R,13S,14S,17S)-17-ethynyl-13-methyl-11-methylene-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
C21H28O2
50125962-78-91,4-Dioxaspiro[4.5]decane, 8-[4-(4-methylphenyl)-3-cyclohexen-1-yl]-1,4-Dioxaspiro[4.5]decane, 8-[4-(4-methylphenyl)-3-cyclohexen-1-yl]-C21H28O2
51122419-17-44-[1-(4-HYDROXY-3,5-DIMETHYLPHENYL)-1-METHYLBUTYL]-2,6-DIMETHYLPHENOLPhenol, 4,4'-(1-methylbutylidene)bis[2,6-dimethyl-
4-[1-(4-HYDROXY-3,5-DIMETHYLPHENYL)-1-METHYLBUTYL]-2,6-DIMETHYLPHENOL
C21H28O2
522,6-Di-tert-butyl-4-methyl-4-(2-hydroxyphenyl)-2,5-cyclohexadien-1-one2,6-Di-tert-butyl-4-methyl-4-(2-hydroxyphenyl)-2,5-cyclohexadien-1-oneC21H28O2
531246213-29-5Benzeneethanol, 5-(1,1-diMethylethyl)-β,β-diMethyl-2-(phenylMethoxy)-2-(2-(Benzyloxy)-5-(tert-butyl)phenyl)-2-methylpropan-1-ol
Benzeneethanol, 5-(1,1-diMethylethyl)-β,β-diMethyl-2-(phenylMethoxy)-
Benzeneethanol, 5-(1,1-diMethylethyl)-beta,beta-diMethyl-2-(phenylMethoxy)-
C21H28O2
5440650-59-72,3,5,6-Tetrahydro-3,3,5,5-tetramethyl-8-(3-methylbutyl)-s-indacene-1,7-dione2,3,5,6-Tetrahydro-3,3,5,5-tetramethyl-8-(3-methylbutyl)-s-indacene-1,7-dione
s-Indacene-1,7-dione, 2,3,5,6-tetrahydro-3,3,5,5-tetramethyl-8-(3-methylbutyl)-
C21H28O2
55155239-50-219-Norpregn-4-en-20-yn-3-one, 17-hydroxy-7-methyl-, (7alpha,10xi,17alpha)-(9CI)19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-7-methyl-, (7alpha,10xi,17alpha)-(9CI)
Tibolone Impurity 3(Tibolone EP Impurity C)
19-Norpregn-4-en-20-yn-3-one, 17-hydroxy-7-methyl-, (7α,10ξ,17α)-
C21H28O2
562376035-98-018,19-Dinorpregn-4-en-20-yn-3-one-2,2,4,6,6,10-d6, 13-ethyl-17-hydroxy-, (17α)-18,19-Dinorpregn-4-en-20-yn-3-one-2,2,4,6,6,10-d6, 13-ethyl-17-hydroxy-, (17α)-
Norgestrel-d6
C21H28O2
57(2E,4E,6E,8E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetrene-1-ol(2E,4E,6E,8E)-9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetrene-1-ol
1,2,3,4-Tetradehydro-1-demethyl-3-methoxy-2-methylretinol
Ro-12-0586
C21H28O2
582625-60-717-acetyl-10,13-dimethyl-1,2,6,7,8,9,14,15,16,17-decahydrocyclopenta[a ]phenanthren-3-one17-acetyl-10,13-dimethyl-1,2,6,7,8,9,14,15,16,17-decahydrocyclopenta[a ]phenanthren-3-oneC21H28O2
59665025-11-6propyl 9,10-dimethyl-5,6,7,7a,8,11-hexahydro-11aH-dibenzo[a,c]cycloheptene-11a-carboxylatepropyl 9,10-dimethyl-5,6,7,7a,8,11-hexahydro-11aH-dibenzo[a,c]cycloheptene-11a-carboxylateC21H28O2
6095733-57-61H-Inden-1-ol, 4,7a-diethyl-1-ethynyloctahydro-5-(4-hydroxyphenyl)-, (1R,3aS,4R,5S,7aS)-rel-1H-Inden-1-ol, 4,7a-diethyl-1-ethynyloctahydro-5-(4-hydroxyphenyl)-, (1R,3aS,4R,5S,7aS)-rel-C21H28O2
6139707-56-72-[[(1S,4aα)-2-Methylene-5,5,8aβ-trimethyldecahydronaphthalene-1-yl]methyl]-1,4-benzoquinoneZonarone
2-[[(1S,4aα)-2-Methylene-5,5,8aβ-trimethyldecahydronaphthalene-1-yl]methyl]-1,4-benzoquinone
2-[[(1S,4aα)-Decahydro-5,5,8aβ-trimethyl-2-methylenenaphthalen-1β-yl]methyl]-2,5-cyclohexadiene-1,4-dione
C21H28O2
62618903-56-3(8S,13S,14S,17S)-13,17-diethyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-oneTetrahydrogestrinone
Tetrahydrogestrinone (THG)
18,19-Dinorpregna-4,9,11-trien-3-one, 13-ethyl-17-hydroxy-, (17α)-
(8S,13S,14S,17S)-13,17-diethyl-17-hydroxy-1,2,6,7,8,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
C21H28O2Steroids;Pharmaceuticals;Intermediates & Fine Chemicals
6357291-89-1(2S)-4'aβ,5',6',7',8',8'a-Hexahydro-2',5',5',8'aα-tetramethylspiro[benzofuran-2(3H),1'(4'H)-naphthalen]-5-olIsochromazonarol
(2S)-4'aβ,5',6',7',8',8'a-Hexahydro-2',5',5',8'aα-tetramethylspiro[benzofuran-2(3H),1'(4'H)-naphthalen]-5-ol
Spiro[benzofuran-2(3H),1'(4'H)-naphthalen]-5-ol, 4'a,5',6',7',8',8'a-hexahydro-2',5',5',8'a-tetramethyl-, (1'S,4'aR,8'aR)- (9CI)
C21H28O2
6487764-16-72,5-Cyclohexadiene-1,4-dione, 2-[[(1S,2R,4aS,8aR)-decahydro-1,2,4a-trimethyl-5-methylene-1-naphthalenyl]methyl]-2,5-Cyclohexadiene-1,4-dione, 2-[[(1S,2R,4aS,8aR)-decahydro-1,2,4a-trimethyl-5-methylene-1-naphthalenyl]methyl]-C21H28O2
6539707-59-02-[[(1R)-1,4,4aβ,5,6,7,8,8a-Octahydro-2,5,5,8aα-tetramethylnaphthalen-1α-yl]methyl]-2,5-cyclohexadiene-1,4-dioneIsozonarone
2-[[(1R)-1,4,4aβ,5,6,7,8,8a-Octahydro-2,5,5,8aα-tetramethylnaphthalen-1α-yl]methyl]-2,5-cyclohexadiene-1,4-dione
C21H28O2
665772-36-1(8S,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one(8S,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
Levonorgestrel Impurity
C21H28O2
6771566-50-2A mixture of: 1-methyl-1-(3-(1-methyl ethyl)phenyl)ethyl-1-methyl-1-phenylethylperoxide, 63% by weight: 1-methyl-1-(4-(1-methyl ethyl)phenyl)ethyl-1-methyl-1-phenylethylperoxide, 31% by weightA mixture of: 1-methyl-1-(3-(1-methyl ethyl)phenyl)ethyl-1-methyl-1-phenylethylperoxide, 63% by weight: 1-methyl-1-(4-(1-methyl ethyl)phenyl)ethyl-1-methyl-1-phenylethylperoxide, 31% by weightC21H28O2

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