Levonorgestrel

Levonorgestrel Levonorgestrel :

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one ; CAS : 797-63-7 ; C21H28O2 ; MW: 312.45 ;
Levonorgestrel EP Impurity A Levonorgestrel Impurity A:

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,8(14)-dien-20-yn-3-one ; CAS : 110785-09-6 ;

C21H26O2 ; MW: 310.43 ;
Levonorgestrel EP Impurity B Levonorgestrel Impurity B:

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one ; CAS : 19914-67-1 ;

C21H28O2 ; MW: 312.45 ;
Levonorgestrel EP Impurity C Levonorgestrel  Impurity C:

13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol ; CAS : 1337972-89-0 ;

C23H28O ;  MW: 320.47 ;
Levonorgestrel EP Impurity D Levonorgestrel  Impurity D:

3-Deoxo Levonorgestrel ; 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol ; CAS : 32419-58-2 ; C21H30O; MW: 298.46 ;
Levonorgestrel EP Impurity G Levonorgestrel  Impurity G:

13-Ethyl-6α,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one ; 6α-Hydroxylevonorgestrel ; CAS : 87585-03-3 ; C21H28O3; MW: 328.45 ;
Levonorgestrel EP Impurity H Levonorgestrel Impurity H :

13-Ethyl-6β,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one ; CAS : 55555-97-0 ; C21H28O3 ; MW: 328.45 ;
Levonorgestrel EP Impurity I Levonorgestrel Impurity I:

13-Ethyl-10,17-dihydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one ; CAS : 20402-62-4 ; C21H28O3 ; MW: 328.45 ;
Levonorgestrel EP Impurity J Levonorgestrel Impurity J:

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yne-3,6-dione ; CAS : 1175109-63-3 ; C21H26O3 ; MW: 326.43 ;
Levonorgestrel EP Impurity L Levonorgestrel Impurity L:

13-Ethylgon-4-ene-3,17-dione ; CAS : 21800-83-9 ; C19H26O2 ; MW: 286.41 ;
Levonorgestrel EP Impurity M Levonorgestrel Impurity M:

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,6-dien-20-yn-3-one ;

Δ6-Levonorgestrel ; CAS : 51087-61-7 ; C21H26O2 ; MW: 310.43 ;
Levonorgestrel EP Impurity N Levonorgestrel Impurity N:

Δ5(10)-Levodione ; 13-Ethylgon-5(10)-ene-3,17-dione ; CAS : 4222-96-2 ;C19H26O2 ; MW: 286.41 ;
Levonorgestrel EP Impurity O Levonorgestrel Impurity O:

13-Ethyl-17-hydroxy-5α-methoxy-18,19-dinor-17α-pregn-20-yn-3-one ; 4,5-Dihydro-5α-methoxylevonorgestrel ; CAS : 155683-60-6 ; C22H32O3 ; MW: 344.49 ;
Levonorgestrel EP Impurity P Levonorgestrel Impurity P:

13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one ; CAS : 100021-05-4 ;C21H28O2 ; MW: 312.45 ;
Levonorgestrel EP Impurity Q Levonorgestrel Impurity Q:

13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol ; CAS : 1038-28-4 ; C20H30O2 ; Mol. Wt.: 302.45 ;
Levonorgestrel EP Impurity R Levonorgestrel  Impurity R:

13-Ethyl-3-methoxygona-2,5(10)-dien-17-one ; CAS : 2322-77-2 ; C20H28O2 ; Mol. Wt.: 300.44 ;
Levonorgestrel EP Impurity S Levonorgestrel Impurity S:

13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol ; CAS : 176254-10-7 ;

C22H30O2 ; Mol. Wt.: 326.47 ;
Levonorgestrel EP Impurity T Levonorgestrel Impurity T:

13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-2,5(10)-dien-20-yn-17-ol ; CAS : 799-43-9 ;

C22H30O2 ; Mol. Wt.: 326.47 ;
Levonorgestrel EP Impurity U Levonorgestrel Impurity U:

Norethisterone ; 17-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one ; CAS : 68-22-4 ;

C20H26O2 ; Mol. Wt.: 298.42 ;
Levonorgestrel EP Impurity V Levonorgestrel Impurity V:

13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol ; CAS : 14009-70-2 ;

C22H28O2 ; Mol. Wt.: 324.46 ;
Levonorgestrel EP Impurity W

Levonorgestrel Impurity W:
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-5,7,9-trien-20-yn-3-one ; CAS : 155683-59-3 ;   C21H24O2 ; Mol. Wt.: 308.41 ;