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Merck
CN

N6127

19-Norethindrone acetate

Synonym(s):

17α-Ethynyl-17β-hydroxy-19-nor-4-androsten-3-one 17-acetate, 17α-Ethynyl-19-nortestosterone 17β-acetate, 17-Hydroxy-19-nor-17α-4-pregnen-20-yn-3-one acetate, 19-Norethisterone 17-acetate

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About This Item

Empirical Formula (Hill Notation):
C22H28O3
CAS Number:
51-98-9
Molecular Weight:
340.46
UNSPSC Code:
41116107
PubChem Substance ID:
24897767
EC Number:
200-132-0
MDL number:
MFCD00271615

Key Documents

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InChI key

IMONTRJLAWHYGT-ZCPXKWAGSA-N

InChI

1S/C22H28O3/c1-4-22(25-14(2)23)12-10-20-19-7-5-15-13-16(24)6-8-17(15)18(19)9-11-21(20,22)3/h1,13,17-20H,5-12H2,2-3H3/t17-,18+,19+,20-,21-,22-/m0/s1

SMILES string

CC(=O)O[C@]1(CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3CC[C@]12C)C#C

assay

≥98.00% (HPLC)

form

powder

solubility

chloroform: 50 mg/mL, clear, colorless to faintly yellow

shipped in

ambient

storage temp.

room temp

Gene Information

human ... PGR(5241)

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pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Lact. - Repr. 1A

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
064K0796
079F0355
061F0084
035H0698
106F0437

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Marjo Tuppurainen et al.
Maturitas, 66(4), 423-430 (2010-06-16)
To determine the effects of HRT with or without clodronate on bone mineral density (BMD) change and bone turnover markers. Prospective, partly randomized trial. Kuopio University Hospital, Finland. 167 osteoporotic women (61+/-2.7 years; T-score<or=-2.5 SD). Estradiol 2 mg+NETA 1 mg
Anieta M Sieuwerts et al.
Molecular oncology, 5(6), 504-516 (2011-10-01)
Risk assessment of future breast cancer risk through exposure to sex steroids currently relies on clinical scorings such as mammographic density. Knowledge about the gene expression patterns in existing breast cancer tumors may be used to identify risk factors in
D J Kaser et al.
Journal of pediatric and adolescent gynecology, 25(2), 105-108 (2011-12-14)
To evaluate the efficacy and tolerability of norethindrone acetate (NA) as single-agent hormonal therapy for suppression of endometriosis symptoms in adolescents and young adults. Retrospective study. Two academic medical centers. A keyword search using the query 'NA' was applied to
Eija Pöllänen et al.
Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society, 20(5), 372-379 (2010-08-21)
To investigate the effects of combined hormone replacement therapy (HRT) and its effective agents on the IGF-1 signaling pathway. To examine the effects of HRT on skeletal muscle in vivo, we utilized pre- and post-intervention samples from a randomized double
E Lundström et al.
Maturitas, 70(4), 361-364 (2011-10-01)
To determine the effects of continuous combined hormone therapy, tibolone, black cohosh, and placebo on digitized mammographic breast density in postmenopausal women. A prospective, double-blind, placebo-controlled study of 154 postmenopausal women randomized to estradiol 2 mg/norethisterone acetate 1 mg (E2/NETA)
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