CAS Number: 21508-50-9
Chemical Name: 10β-Hydroxy D-(-)-Norgestrel
Molecular Formula: C21H28O3
Molecular Weight: 328.45

CAS Number: 793-54-4
Chemical Name: 13-Ethyl-17-hydroxy-gon-4-en-3-one
Molecular Formula: C19H28O2
Molecular Weight: 288.42

CAS Number: 797-64-8
Chemical Name: Dextronorgestrel
Molecular Formula: C21H28O2
Molecular Weight: 312.45

CAS Number: 797-63-7
Chemical Name: Levonorgestrel
Molecular Formula: C21H28O2
Molecular Weight: 312.45

CAS Number: 1260525-53-8
Chemical Name: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,8(14)-dien-20-yn-3-one
Molecular Formula: C21H26O2
Molecular Weight: 310.43

CAS Number: 19914-67-1
Chemical Name: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
Molecular Formula: C21H28O2
Molecular Weight: 312.45

CAS Number: 1337972-89-0
Chemical Name: 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol
Molecular Formula: C23H28O
Molecular Weight: 320.47

CAS Number: 32419-58-2
Chemical Name: 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol(Levo Norgestrel Impurity)
Molecular Formula: C21H30O
Molecular Weight: 298.23

CAS Number: 87585-03-3
Chemical Name: 6α-Hydroxylevonorgestrel
Molecular Formula: C21H28O3
Molecular Weight: 328.45

CAS Number: 55555-97-0
Chemical Name: 6β-Hydroxylevonorgestrel
Molecular Formula: C21H28O3
Molecular Weight: 328.45

CAS Number: 20402-62-4
Chemical Name: 10-Hydroxylevonorgestrel
Molecular Formula: C21H28O3
Molecular Weight: 328.45

CAS Number: 1175109-63-3
Chemical Name: 6-Keto Levonorgestrel
Molecular Formula: C21H26O3
Molecular Weight: 326.43

CAS Number: 793-55-5
Chemical Name: 18-Methylnandrolone
Molecular Formula: C19H28O2
Molecular Weight: 288.43

CAS Number: 21800-83-9
Chemical Name: Levodione
Molecular Formula: C19H26O2
Molecular Weight: 286.41

CAS Number: 51087-61-7
Chemical Name: 6(7)-Dehydro Norgestrel
Molecular Formula: C21H26O2
Molecular Weight: 310.43

CAS Number: 4222-96-2
Chemical Name: 13-Ethylgon-5(10)en-3,17-dione
Molecular Formula: C19H26O2
Molecular Weight: 286.41

CAS Number: 155683-60-6
Chemical Name: 4,5-Dihydro-5α-methoxylevonorgestrel
Molecular Formula: C22H32O3
Molecular Weight: 344.49

CAS Number: 100021-05-4
Chemical Name: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one
Molecular Formula: C21H28O2
Molecular Weight: 312.45

CAS Number: 1038-28-4
Chemical Name: 13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol
Molecular Formula: C20H30O2
Molecular Weight: 302.45

CAS Number: 2322-77-2
Chemical Name: Methoxygonadiene
Molecular Formula: C20H28O2
Molecular Weight: 300.44

CAS Number: 176254-10-7
Chemical Name: (17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol
Molecular Formula: C22H30O2
Molecular Weight: 326.47

CAS Number: 799-43-9
Chemical Name: (17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
Molecular Formula: C22H30O2
Molecular Weight: 326.47

CAS Number: 68-22-4
Chemical Name: Norethisterone
Molecular Formula: C20H26O2
Molecular Weight: 298.42

CAS Number: 14009-70-2
Chemical Name: 13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol
Molecular Formula: C22H28O2
Molecular Weight: 324.46

CAS Number: 155683-59-3
Chemical Name: 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-5,7,9-trien-20-yn-3-one
Molecular Formula: C21H24O2
Molecular Weight: 308.42

CAS Number: 24908-87-0
Chemical Name: Levonorgestrel 3-Ethyldienol Ether
Molecular Formula: C23H32O2
Molecular Weight: 340.51