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Steroids Intermediate
 
Intermediate
Structure
CAS No.
Usage
 
Androsta-1,4-diene-17-carboxylic acid,6,9-difluoro-11-hydroxy-16-methyl-3-oxo-17-(1-oxopropoxy)-, (6α,11β,16α,17α)-
65429-42-7
Fluticasone Propionate
 
7β-hydroxy-15β,16β-methylene-3β-pivaloyloxy-5-androsten-17-one
82543-09-7
Drospirenone
 
3β,5β-Dihydroxy-15β,16β-methylene-Androst-6-en-17-one
82543-15-5
Drospirenone
 
3β,5β-dihydroxy-6β,7β;15β,16β-dimethlene-5β-androstane-17-one
82543-16-6
Drospirenone
 
17α-(3-Hydroxy Propinyl)-6β,7β;15β,16β-dimethylene-androstane-3β,5β,17β-triol
82543-17-7
Drospirenone
 
15α-acetyloxy-18-methyl-4-estrene-3,17-dione
104933-97-3
Gestodene
 
7α-Methyl-3, 3-Dimethoxy-5(10)-Estrene-17-One
88247-84-1
Tibolone
 
19-Norpregna-5(10),9(11)-diene-21-nitrile, 3,3-[1,2-ethanediylbis(oxy)]-17-hydroxy-, (17α)-
190662-30-7
Dienogest
 
19-Norpregna-5(10),9(11)-diene-3,20-dione, 17-hydroxy-, cyclic 3,20-bis(1,2-ethanediyl acetal), (5α,10α)-
54201-84-2
Ulipristal Acetate
 
19-Norpregn-9-ene-3,20-dione, 11-[4-(dimethylamino)phenyl]-5,17-dihydroxy-, cyclic 3,20-bis(1,2-ethanediyl acetal), (5α,11β)-
126690-41-3
Ulipristal Acetate
 
7α,15α-dihydroxyandrostenolone
2963-69-1
Drospirenone
 
Androsta-1,4-diene-17-carboxylic acid,6,9-difluoro-11,17-dihydroxy-16-methyl-3-oxo-, (6α,11β,16α,17α)-
28416-82-2
Fluticasone Propionate
 
Estra-1,3,5(10)-triene-3,17-diol,7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]-,(7α,17β)-
153004-31-0
Fulvestrant
 
Androsta-1,4-diene-17-carbothioic acid,6,9-difluoro-11-hydroxy-16-methyl-3-oxo-17-(1-oxopropoxy)-, anhydrosulfide with N,N-dimethylcarbamothioic acid, (6α,11β,16α,17α)-
105638-31-1
Fluticasone Propionate
 
Androsta-1,4-diene-17-carbothioic acid,6,9-difluoro-11-hydroxy-16-methyl-3-oxo-17-(1-oxopropoxy)-, (6α,11β,16α,17α)-
80474-45-9
Fluticasone Propionate
 
Flumethasone
2135-17-3
Flumethasone
 
Cyclic-3-(1,2-ethanediyl acetal)-estra-5(10),9(11)-dien-3,17-dione
5571-36-8
Mifepristone
 
Estr-9-en-3-one, 11-[4-(dimethylamino)phenyl]-5,17-dihydroxy-17-(1-propynyl)-, cyclic 1,2-ethanediyl acetal, (5α,11β,17β)-
84371-64-2
Mifepristone
 
4-Azaandrost-5-ene-17-carboxylic acid, 3-oxo-, methyl ester, (17β)-
104214-18-8
Finasteride
 
4-Azaandrostane-17-carboxamide, N-(1,1-dimethylethyl)-3-oxo-, (5α,17β)-
98319-24-5
Finasteride
 
Pregna-1,4-diene-3,20-dione,21-(acetyloxy)-6,9-difluoro-11,17-dihydroxy-16-methyl-,(6α,11β,16α)-
2823-42-9
Flumethasone
 
Estra-1,3,5(10)-triene-3,17-diol,7-(9-bromononyl)-,(7α,17β)-
875573-67-4
Fulvestrant
 
Estra-1,3,5(10)-triene-3,17-diol,7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]-,17-acetate,(7α,17β)-
875573-69-6
Fulvestrant
 
19-Norpregna-4,9-diene-3,20-dione,11-[4-(dimethylamino)phenyl]-17-hydroxy-,(11β)-
159811-51-5
Ulipristal Acetate
 
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ICP:NO.12044760