Nomegestrol acetate
Names
[ CAS No. ]: 
58652-20-3
        
[ Name ]: 
Nomegestrol acetate
        
[Synonym ]:
                
                [(8S,9S,10R,13S,14S,17R)-17-acetyl-6,13-dimethyl-3-oxo-1,2,8,9,10,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate
                
                
            
                
                EINECS 261-379-8
                
                
            
                
                6-Methyl-3,20-dioxo-19-norpregna-4,6-dien-17-yl acetate
                
                
            
                
                Lutenyl
                
                
            
                
                (17a)-17-Acetyl-6-methyl-3-oxoestra-4,6-dien-17-yl acetate
                
                
            
                
                MFCD00941390
                
                
            
                
                17-Acetoxy-6-methyl-19-norpregna-4,6-diene-3,20-dione
                
                
            
                
                Nomegestrol acetate
                
                
            
                
                Estra-4,6-dien-3-one, 17-acetyl-17-(acetyloxy)-6-methyl-, (17α)-
                
                
            
                
                19-normegestrol acetate
                
                
                
                
    
Biological Activity
[Description]:
[Related Catalog]:
[Target]
Progesterone receptor[1]
[References]
Chemical & Physical Properties
[ Density]:
1.2±0.1 g/cm3
            
[ Boiling Point ]:
507.3±50.0 °C at 760 mmHg
            
[ Molecular Formula ]:
C23H30O4
            
[ Molecular Weight ]:
370.482
            
[ Flash Point ]:
219.8±30.2 °C
            
[ Exact Mass ]:
370.214417
            
[ PSA ]:
60.44000
            
[ LogP ]:
3.34
            
[ Vapour Pressure ]:
0.0±1.3 mmHg at 25°C
            
[ Index of Refraction ]:
1.554
            
[ Storage condition ]:
2-8°C
            
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
 - RC8899200
 
- CHEMICAL NAME :
 - 19-Norpregna-4,6-diene-3,20-dione, 17-alpha-hydroxy-6-methyl-, acetate
 
- CAS REGISTRY NUMBER :
 - 58652-20-3
 
- LAST UPDATED :
 - 199603
 
- DATA ITEMS CITED :
 - 6
 
- MOLECULAR FORMULA :
 - C23-H30-O4
 
- MOLECULAR WEIGHT :
 - 370.53
 
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
 - TDLo - Lowest published toxic dose
 
- ROUTE OF EXPOSURE :
 - Oral
 
- SPECIES OBSERVED :
 - Human - woman
 
- DOSE/DURATION :
 - 1050 ug/kg/21D-I
 
- TOXIC EFFECTS :
 - Endocrine - changes in luteinizing hormone Endocrine - estrogenic Endocrine - effect on menstrual cycle
 
- REFERENCE :
 - BJOGAS British Journal of Obstetrics and Gynaecology. (Blackwell Scientific Pub. Ltd., POB 88, Oxford, UK) V.82- 1975- Volume(issue)/page/year: 94,1199,1987
 
- TYPE OF TEST :
 - LD50 - Lethal dose, 50 percent kill
 
- ROUTE OF EXPOSURE :
 - Oral
 
- SPECIES OBSERVED :
 - Rodent - rat
 
- DOSE/DURATION :
 - >2 gm/kg
 
- TOXIC EFFECTS :
 - Details of toxic effects not reported other than lethal dose value
 
- REFERENCE :
 - DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 9,657,1984
 
- TYPE OF TEST :
 - LD50 - Lethal dose, 50 percent kill
 
- ROUTE OF EXPOSURE :
 - Intraperitoneal
 
- SPECIES OBSERVED :
 - Rodent - rat
 
- DOSE/DURATION :
 - >2 gm/kg
 
- TOXIC EFFECTS :
 - Details of toxic effects not reported other than lethal dose value
 
- REFERENCE :
 - DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 9,657,1984
 
- TYPE OF TEST :
 - LD50 - Lethal dose, 50 percent kill
 
- ROUTE OF EXPOSURE :
 - Oral
 
- SPECIES OBSERVED :
 - Rodent - mouse
 
- DOSE/DURATION :
 - >2 gm/kg
 
- TOXIC EFFECTS :
 - Details of toxic effects not reported other than lethal dose value
 
- REFERENCE :
 - DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 9,657,1984
 
- TYPE OF TEST :
 - LD50 - Lethal dose, 50 percent kill
 
- ROUTE OF EXPOSURE :
 - Intraperitoneal
 
- SPECIES OBSERVED :
 - Rodent - mouse
 
- DOSE/DURATION :
 - >2 gm/kg
 
- TOXIC EFFECTS :
 - Details of toxic effects not reported other than lethal dose value
 
- REFERENCE :
 - DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 9,657,1984 ** REPRODUCTIVE DATA **
 
- TYPE OF TEST :
 - TDLo - Lowest published toxic dose
 
- ROUTE OF EXPOSURE :
 - Subcutaneous
 
- DOSE :
 - 5 mg/kg
 
- SEX/DURATION :
 - female 4 day(s) pre-mating
 
- TOXIC EFFECTS :
 - Reproductive - Fertility - other measures of fertility
 
- REFERENCE :
 - ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 33,710,1983
 
Safety Information
[ Symbol ]:
                
                
                GHS08, GHS09
            
[ Signal Word ]: 
Warning
            
[ Hazard Statements ]:
 H361fd-H400
            
[ Precautionary Statements ]:
 P280
            
[ Hazard Codes ]:
 N
            
[ Risk Phrases ]:
 63-50
            
[ Safety Phrases ]:
 61
            
[ RIDADR ]: 
UN 3077 9 / PGIII
            
[ RTECS ]: 
RC8899200
            
Articles
J. Fam. Plann. Reprod. Health Care 39(3) , 211-6, (2013)
Initial oral contraceptive regimens were characterised by high doses of ethinylestradiol (EE) and a progestogen in a 21-day regimen that either included seven additional hormone-free tablets or simply...
A new contraceptive pill containing 17β-estradiol and nomegestrol acetate.Womens. Health (Lond. Engl.) 9(1) , 13-23, (2013)
Most combined oral contraceptive pills contain ethinyl estradiol (EE) with progestins. In order to minimize the pill's cardiovascular risks, the concept of using 17β-estradiol (E2), the endogenous est...
The “newer” progestogens and postmenopausal hormone therapy (HRT)J. Steroid Biochem. Mol. Biol. 142 , 48-51, (2014)
• The “newer” progestogens have a high bioavailability. • The “newer” progestogens have a sufficient progestogenic effect. • The “newer” progestogens do not cause undue side effects. • The “newer” pro...