A synthetic hormone, which is used as a birth control drug. Levonorgestrel is an estrane steroid and a derivative of testosterone which is also used in intrauterine devices. Reference standards of Levonorgestrel API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Levonorgestrel
Catalogue No.:PA 12 14000
CAS :
Molecular Formula : C21H28O2
Molecular Weight : 312.45
18-Methylnandrolone
Catalogue No.:PA 12 14110
Molecular Formula : C19H28O2
Molecular Weight : 288.43
Levodione
Catalogue No.:PA 12 14120
Molecular Formula : C19H26O2
Molecular Weight : 286.41
6(7)-Dehydro Norgestrel
Catalogue No.:PA 12 14130
Molecular Formula : C21H26O2
Molecular Weight : 310.43
13-Ethylgon-5(10)en-3,17-dione
Catalogue No.:PA 12 14140
Methoxygonadiene
Catalogue No.:PA 12 14180
Molecular Formula : C20H28O2
Molecular Weight : 300.44
Norethisterone
Catalogue No.:PA 12 14210
Molecular Formula : C20H26O2
Molecular Weight : 298.42
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-4,8(14)-dien-20-yn-3-one
Catalogue No.:PA 12 14010
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one
Catalogue No.:PA 12 14020
13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol
Catalogue No.:PA 12 14030
Molecular Formula : C23H28O
Molecular Weight : 320.47
13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol(Levo Norgestrel Impurity)
Catalogue No.:PA 12 14040
Molecular Formula : C21H30O
Molecular Weight : 298.23
6β-Hydroxylevonorgestrel
Catalogue No.:PA 12 14080
Molecular Formula : C21H28O3
Molecular Weight : 328.45
6-Keto Levonorgestrel
Catalogue No.:PA 12 14100
Molecular Formula : C21H26O3
Molecular Weight : 326.43
4,5-Dihydro-5α-methoxylevonorgestrel
Catalogue No.:PA 12 14150
Molecular Formula : C22H32O3
Molecular Weight : 344.49
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one
Catalogue No.:PA 12 14160
13-Ethyl-3-methoxygona-2,5(10)-dien-17β-ol
Catalogue No.:PA 12 14170
Molecular Formula : C20H30O2
Molecular Weight : 302.45
(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol
Catalogue No.:PA 12 14190
Molecular Formula : C22H30O2
Molecular Weight : 326.47
(17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol
Catalogue No.:PA 12 14200
13-Ethyl-17-hydroxy-gon-4-en-3-one
Catalogue No.:PA 12 14510
Molecular Weight : 288.42
(8R,9S,10R,13S,14S,17R,E)-13-Ethyl-17-ethynyl-17-hydroxy-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3(2H)-one oxime
Catalogue No.:PA 12 14520
Molecular Formula : C21H27NO2
Molecular Weight : 325.44
Levonorgestrel-d6
Catalogue No.:PA STI 056511
Molecular Formula : C21H22D6O2
Molecular Weight : 318.48
6α-Hydroxylevonorgestrel
Catalogue No.:PA 12 14070
13-Ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10)-trien-20-yn-17-ol
Catalogue No.:PA 12 14220
Molecular Formula : C22H28O2
Molecular Weight : 324.46
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregna-5,7,9-trien-20-yn-3-one
Catalogue No.:PA 12 14230
Molecular Formula : C21H24O2
Molecular Weight : 308.42
Catalogue No.:PA ICRS0335
Molecular Formula :
Molecular Weight : NA
Catalogue No.:PA IPIPRS 20 14
Levonorgestrel (L0551000)
Catalogue No.:PA EPL0551000
Molecular Formula : NA
Levonorgestrel impurity B (Y0001379)
Catalogue No.:PA EPY0001379
Levonorgestrel for system suitability 1 (Y0001431)
Catalogue No.:PA EPY0001431
Levonorgestrel for system suitability 2 (Y0001618)
Catalogue No.:PA EPY0001618
Levonorgestrel (1362602)
Catalogue No.:PA USP1362602
levonorgestrel (501RB)
Catalogue No.:PA BP501RB
Catalogue No.:PAI 12 010010
Molecular Formula : C23H32O2
Molecular Weight : 340.51
Catalogue No.:PAI 12 010020
Molecular Formula : C21H27BrO2
Molecular Weight : 391.35
1(10)-Dehydro-4(5)-dihydro D-(-)-Norgestrel
Catalogue No.:PA 12 14530
10-Hydroxylevonorgestrel
Catalogue No.:PA 12 0140090
10β-Hydroxy D-(-)-Norgestrel
Catalogue No.:PA 12 0141001
Dextronorgestrel
Catalogue No.:PA 12 0141002
Levonorgestrel (IPRS/30/20)-from IPC
Catalogue No.:PA IPRS 30 20
D-(-)-Norgestrel Sulfate Sodium Salt
Catalogue No.:PA 12 0141003
Molecular Formula : C21H27NaO5S
Molecular Weight : 414.49
Ethylmetrienone
Catalogue No.:PA 12 0141004
Molecular Weight : 298.43
Levonorgestrel (IPRSL051)
Catalogue No.:PA IPRSL051
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