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Home/Compounds/API/Norethisterone
C20H26O2
298.4 g/mol
APIDanger

Norethindrone

CAS68-22-4EC200-681-6
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material

Norethindrone is an active pharmaceutical ingredient used in pharmaceutical manufacturing. It can cause cancer and developmental toxicity according to regulatory labeling requirements.

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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CAS 68-22-4

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Related Compounds

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Retinol

CAS68-26-8

pharmaceutical raw material

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CAS68-35-9

pharmaceutical raw material

ReferenceSame Category

Cycloserine

CAS68-41-7

pharmaceutical raw material

ReferenceSame Category

(RS)-hydroxyzine

CAS68-88-2

pharmaceutical raw material

Referencesame scaffold

Levonorgestrel

CAS797-63-7

pharmaceutical raw material

Referencesame scaffold

Norgestrel

CAS6533-00-2

pharmaceutical raw material

Referencesame scaffold

(17R)-norethindrone acetate

CAS51-98-9

pharmaceutical raw material

Referencesame scaffold

Norethindrone enanthate

CAS3836-23-5

pharmaceutical raw material

Safety Reference

Harmful
Harmful
Health Hazard
Health Hazard
Danger
H312Harmful in contact with skin
H332Harmful if inhaled
H351Suspected of causing cancer
H360May damage fertility or the unborn child
Identifiers
IUPAC Name

(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one

InChIKey

VIKNJXKGJWUCNN-XGXHKTLJSA-N

SMILES

C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=CC(=O)CC[C@H]34

Synonyms (148)
  • ENT
  • MELEYA
  • NET
  • Levonorgestrel EP Impurity U; Norethindrone; Norethisterone; Norethisterone Acetate EP Impurity A
  • Norethindrone (USP)
  • Norethindrone, United States Pharmacopeia (USP)
  • Norethisterone [EP monograph]
  • Norethisterone for system suitability, European Pharmacopoeia (EP)
  • Norethisterone, British Pharmacopoeia (BP)
  • Norethisterone, European Pharmacopoeia (EP)
  • Norethisteronum [INN-Latin]
  • Noretisterona [INN-Spanish]
  • 17-Ethinyl-19-nortestosterone
  • 17-Ethynyl-19-Nortestosterone
  • 19-Nor-17-ethinyltestosterone
  • 19-Nor-ethindrone
  • 19-Norethinyltestosterone
  • 19-Norethisterone
  • Activella
  • Affodel
  • Anhydrohydroxynorprogesterone
  • Anovulatorio
  • Anovule
  • Brevinor 21
  • Brevinor 28
  • Brevinor-1 21
  • Brevinor-1 28
  • Camila
  • Camila (TN)
  • Ciclovulan
  • Conludaf
  • Conludag
  • Deblitane
  • Emzahh
  • Errin
  • Estrinor
  • Ethinylnortestosterone
  • Ethynylmortestosterone
  • Ethynylnortestosterone
  • Gencept
  • Genora
  • Gestest
  • Heather
  • Incassia
  • Jencycla
  • LEVONORGESTREL IMPURITY U
  • Lyleq
  • Lyza
  • Menzol
  • Microneth
  • Micronett
  • Micronor
  • Micronor (TN)
  • Micronor hrt
  • Micronovum
  • Milli
  • Mini-Pe
  • Mini-pill
  • Minovlar
  • N.E.E.
  • NORETHISTERONE [MART.]
  • Nelova
  • Nodiol
  • Nor-QD
  • Nora Be
  • Noraethisteronum
  • Noralutin
  • Norcept-E
  • Norcolut
  • Noresthisterone
  • Norethadrone
  • Norethidrone
  • Norethin
  • Norethindrone (Standard)
  • Norethisteron
  • Norethisterone
  • Norethisterone (JP18)
  • Norethisterone CRS
  • Norethisterone RS
  • Norethisterone [Progestins]
  • Norethisteronum
  • Norethyndron
  • Norethynodron
  • Norethynodrone
  • Noretisterona
  • Noretisterone
  • Norfor
  • Norgestin
  • Noriday
  • Noriday 28
  • Norluten
  • Norlutin
  • Norluton
  • Norlyroc
  • Normapause
  • Norpregneninlone
  • Norpregneninolone
  • Norpregneninotone
  • Orquidea
  • Ortho 1 35
  • Ortho 7 7 7
  • Ortho-Novum 1 35
  • Ortho-Novum 1 50
  • Ortho-Novum 7 7 7
  • Ovysmen 0.5 35
  • Ovysmen 1 35
  • Primolut-N
  • Primolut-N (TN)
  • Proluteasi
  • Sharobel
  • Synphase
  • Synphasic 28
  • Tri-Norinyl
  • Triella
  • Trinovum 21
  • Utovlan
  • Utovlar
  • norethindrone