A synthetic progestogen of the 19-nortestosterone group, Norethisterone is used as a hormonal contraceptives and for treating gynaecological disorders. It is a a derivative of testosterone and is used to treat premenstrual syndrome, dysmenorrhea, menorrhagia, irregular menstruation, menopausal symptoms.Reference standards of Norethisterone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Norethisterone
Catalogue No.:PA 14 38000
CAS :
Molecular Formula : C20H26O2
Molecular Weight : 298.42
6,7-Dehydro Norethindrone
Catalogue No.:PA 14 38010
Molecular Formula : C20H24O2
Molecular Weight : 296.40
Norandrostenedione
Catalogue No.:PA 14 38020
Molecular Formula : C18H24O2
Molecular Weight : 272.38
∆-6(7)-Norenthindrone Acetate
Catalogue No.:PA 14 39550
Molecular Formula : C22H26O3
Molecular Weight : 338.44
6α-Hydroxy Norethindrone Acetate
Catalogue No.:PA 14 39560
Molecular Formula : C22H28O4
Molecular Weight : 356.46
Norethisterone Enanthate
Catalogue No.:PA 14 39600
Molecular Formula : C27H38O3
Molecular Weight : 410.6
Δ-5(6)-Norethindrone
Catalogue No.:PA 14 38030
Norethynodrel
Catalogue No.:PA 14 38040
Norethindrone 3-Ethinyl Impurity
Catalogue No.:PA 14 38050
Molecular Formula : C22H26O
Molecular Weight : 306.44
Norethindrone 3-Ethoxy Impurity
Catalogue No.:PA 14 38060
Molecular Formula : C22H30O2
Molecular Weight : 326.47
6β-Hydroxy Norethindrone
Catalogue No.:PA 14 38080
Molecular Formula : C20H26O3
Molecular Weight : 314.42
4,5α-Dihydronorethisterone
Catalogue No.:PA 14 39510
Molecular Formula : C20H28O2
Molecular Weight : 300.44
16β-Hydroxy-17-epi-norethisterone
Catalogue No.:PA 14 39520
10β-Hydroxy Norethindrone
Catalogue No.:PA 14 39530
3β,5α-Tetrahydronorethisterone
Catalogue No.:PA 14 39540
Molecular Formula : C20H30O2
Molecular Weight : 302.45
10β-Hydroperoxy Norethindrone Acetate
Catalogue No.:PA 14 39570
Molecular Formula : C22H28O5
Molecular Weight : 372.45
Norethindrone Acetate 10β-Hydroxy Impurity
Catalogue No.:PA 14 39580
6β-Acetoxynorethindrone Acetate
Catalogue No.:PA 14 39590
Molecular Formula : C24H30O5
Molecular Weight : 398.5
Norethindrone d6
Catalogue No.:PA STI 069001
Molecular Formula : C20H20D6O2
Molecular Weight : 304.46
Norethindrone-13C2, d2
Catalogue No.:PA STI 069010
Molecular Formula : C1813C2H24D2O2
Molecular Weight : 302.42
Norethindrone-2,2,4,6,6,10-d6
Catalogue No.:PA STI 069000
6-Oxo Norethindrone
Catalogue No.:PA 14 38510
Molecular Formula : C20H24O3
Molecular Weight : 312.41
6,10-di-Hydroxy Norethindrone Acetate
Catalogue No.:PA 14 39610
Molecular Weight : 372.46
Catalogue No.:PA ICRS0366
Molecular Formula :
Molecular Weight : NA
Catalogue No.:PA ICRS0367
Catalogue No.:PA ICRS2123
Catalogue No.:PA IPIPRS 24 14
Norethisterone (N1200000)
Catalogue No.:PA EPN1200000
Molecular Formula : NA
Norethisterone acetate (N1225000)
Catalogue No.:PA EPN1225000
Norethisterone for system suitability (Y0000522)
Catalogue No.:PA EPY0000522
Norethisterone acetate for system suitability (Y0001532)
Catalogue No.:PA EPY0001532
Norethindrone (1469005)
Catalogue No.:PA USP1469005
norethisterone (266RB)
Catalogue No.:PA BP266RB
norethisterone acetate (267RB)
Catalogue No.:PA BP267RB
Norethindrone 3-Isopropyl Enol Ether
Catalogue No.:PA 14 39620
Molecular Formula : C23H32O2
Molecular Weight : 340.51
17-O-Trimethylsilyl Norethindrone
Catalogue No.:PA 14 38520
Molecular Formula : C23H34O2Si
Molecular Weight : 370.6
Norethindrone β-D-Glucuronide
Catalogue No.:PA 14 38530
Molecular Formula : C26H34O8
Molecular Weight : 474.54
Norethindrone Sulfate Sodium Salt
Catalogue No.:PA 14 38540
Molecular Formula : C20H25NaO5S
Molecular Weight : 400.46
17-epi-Norethindrone
Catalogue No.:PA 14 38070
(8S,13S,14S,17R)-17-Hydroxy-13-methyl-3-oxo-2,3,6,7,8,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-17-carbonitrile
Catalogue No.:PA 14 0381000
Molecular Formula : C19H23NO2
Molecular Weight : 297.4
6-β-Hydroxy-19-Norandrostenedione
Catalogue No.:PA 14 0381001
Molecular Formula : C18H24O3
Molecular Weight : 288.39
Estra-5(10),9(11)-diene-3,17-dione Cyclic 3,17-Bis(1,2-ethanediyl acetal)
Catalogue No.:PA 14 0381002
Molecular Formula : C22H30O4
Molecular Weight : 358.48
6alpha-Hydroxynorethisterone
Catalogue No.:PA 14 0381003
Molecular Weight : 314.43
Norethisterone octoate
Catalogue No.:PA 14 0381004
Molecular Formula : C28H40O3
Molecular Weight : 424.63
Norethisterone 3-hexenoate
Catalogue No.:PA 14 0381005
Molecular Formula : C26H34O3
Molecular Weight : 394.56
Norethisterone Hexanoate
Catalogue No.:PA 14 0381006
Molecular Formula : C26H36O3
Molecular Weight : 396.57
(8S,9S,10S,13S,14S,17R)-17-Ethynyl-10-hydroperoxy-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl (E)-hex-3-enoate
Catalogue No.:PA 14 0381007
Molecular Formula : C26H34O5
Molecular Weight : 426.55
(8R,9S,10R,13S,14S,17S)-6-Bromo-17-ethynyl-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl Acetate
Catalogue No.:PAI 14 038001
Molecular Formula : C22H27BrO3
Molecular Weight : 419.36
Androstenedione Cyanohydrin
Catalogue No.:PA 14 0381008
Molecular Formula : C20H27NO2
Molecular Weight : 313.44
Norethisterone (IPRSN012)
Catalogue No.:PA IPRSN012
(2S,8R,9S,10R,13S,14S,17R)-17-Ethynyl-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-2-carbonitrile
Catalogue No.:PA 14 0381009
Molecular Formula : C22H27NO2
Molecular Weight : 337.46
4,5β-Dihydronorethisterone
Catalogue No.:PA 14 0381010
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