Norgestrel > Impurities > 11

Structure Compound Pricing
rac 6β-Hydroxy Norgestrel
CS-T-78991 > Impurities

Molecular Formula : C21H28O3   Molecular Weight: 328.45   CAS Number: 20402-61-3
Synonyms : (6β,17α)-()-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one; ()-13-Ethyl-6β,17-dihydroxy-18,19-dinor-17a-pregn-4-en-20-yn-3-one
Parent API : Norgestrel
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6(7)-Dehydro Norgestrel
CS-T-51783 > Impurities

Molecular Formula : C21H26O2   Molecular Weight: 310.43   CAS Number: 51087-61-7
Synonyms : (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregna-4,6-dien-20-yn-3-one;
Parent API : Norgestrel
USD 532.00 / 10mg
USD 798.00 / 25mg
USD 1,197.00 / 50mg
Levonorgestrel EP Impurity A
CS-T-51784 > Impurities

Molecular Formula : C21H26O2   Molecular Weight: 310.43   CAS Number: 110785-09-6
Synonyms : (+/-)-(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregna-4,8(14)-dien-20-yn-3-one;8(14)-Dehydro Norgestrel
Parent API : Norgestrel
USD 3,040.00 / 10mg
USD 4,560.00 / 25mg
USD 6,840.00 / 50mg
Δ5(10),6,8(9)-D-(-)-Norgestrel
CS-T-59731 > Impurities

Molecular Formula : C22H26O   Molecular Weight: 306.44   CAS Number: 155683-59-3
Synonyms : Levonorgestrel Impurity W
Parent API : Norgestrel
USD 3,040.00 / 25mg
USD 4,560.00 / 50mg
D-(-)-Norgestrel Trimethylsilyl Ether
CS-T-59732 > Impurities

Molecular Formula : C24H36O2Si   Molecular Weight: 384.63   CAS Number: 39942-01-3
Synonyms : (17a)-13-Ethyl-17-[(trimethylsilyl)oxy]-18,19-dinorpregn-4-en-20-yn-3-one; 17a-Ethynyl-18-methyl-17-(trimethylsiloxy)-19-norandrost-4-en-3-one; (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-trimethylsilyloxy-1,2,6,7,8,9,10,11,12,14,15,16-da[a]phenanthren-3-one
Parent API : Norgestrel
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rac 8-α-[Delta-5(10)]-Norgestrel
CS-T-59733 > Impurities

Molecular Formula : C21H28O2   Molecular Weight: 312.45   CAS Number: 5541-87-7
Synonyms : (8-Alpha,17-Alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one;13-Ethyl-17-hydroxy-18,19-dinor-8-Alpha,17-Alpha-pregn-5(10)-en-20-yn-3-one; 8-Alpha-5,10-Dehydro-Norgestrel;
Parent API : Norgestrel
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Levonorgestrel EP Impurity J
CS-T-60033 > Impurities

Molecular Formula : C21H26O3   Molecular Weight: 326.43   CAS Number: 1175109-63-3
Synonyms : (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yne-3,6-dione; 6-Oxo D-(-)-Norgestrel
Parent API : Norgestrel
USD 456.00 / 10mg
USD 684.00 / 25mg
USD 1,026.00 / 50mg
Levonorgestrel EP Impurity D
CS-T-54441 > Impurities

Molecular Formula : C21H30O   Molecular Weight: 298.46   CAS Number: 32419-58-2
Synonyms : (17a)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol; 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (Levo Norgestrel Impurity)
Parent API : Norgestrel
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Levonorgestrel EP Impurity C
CS-T-54470 > Impurities

Molecular Formula : C23H28O   Molecular Weight: 320.47   CAS Number: 1337972-89-0
Synonyms : 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity)
Parent API : Norgestrel
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(17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol
CS-T-54488 > Impurities

Molecular Formula : C22H30O2   Molecular Weight: 326.48   CAS Number: 176254-10-7
Synonyms : (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-3-methoxy-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol;13-ethyl-17-ethynyl-3-methoxy-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol
Parent API : Norgestrel
USD 1,140.00 / 25mg
USD 1,710.00 / 50mg
Levonorgestrel EP Impurity B
CS-T-54486 > Impurities

Molecular Formula : C21H28O2   Molecular Weight: 312.45   CAS Number: 19914-67-1
Synonyms : 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one; (17a)-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)
Parent API : Norgestrel
USD 912.00 / 10mg
USD 1,368.00 / 25mg
USD 2,052.00 / 50mg