19-Norethindrone acetate

Modify Date: 2024-01-02 16:39:18

19-Norethindrone acetate structure	Common Name	19-Norethindrone acetate
	CAS Number	51-98-9	Molecular Weight	340.456
	Density	1.1±0.1 g/cm3	Boiling Point	454.7±45.0 °C at 760 mmHg
	Molecular Formula	C₂₂H₂₈O₃	Melting Point	N/A
	MSDS	Chinese USA	Flash Point	197.1±28.8 °C
	Symbol	GHS08	Signal Word	Warning

Use of 19-Norethindrone acetate

Norethindrone acetate is a female progestin approved by FDA for the treatment of endometriosis, uterine bleeding caused by abnormal hormone levels, and secondary amenorrhea.

Name	norethisterone acetate
Synonym	More Synonyms

Description	Norethindrone acetate is a female progestin approved by FDA for the treatment of endometriosis, uterine bleeding caused by abnormal hormone levels, and secondary amenorrhea.
Related Catalog	Signaling Pathways >> Others >> Progesterone Receptor Research Areas >> Cardiovascular Disease Research Areas >> Endocrinology Research Areas >> Inflammation/Immunology
Target	Progesterone Receptor[1]
In Vivo	Norethindrone acetate could be a cost-effective alternative with relatively mild side effects in the treatment of symptomatic endometriosis. Subjects treated with norethindrone acetate obtain dysmenorrhea and noncyclic pelvic pain relief[1]. Norethindrone acetate alone is a well-tolerated, effective option to manage pain and bleeding for all stages of endometriosis. Post-Norethindrone acetate bleeding scores are improved regardless of prior hormonal regimen, and post-Norethindrone acetate pain scores improved in all patients except for those previously prescribed GnRH-agonist plus add-back[2]. Norethindrone acetate shows low acute toxicity in experimental animals and is consistent with the lack of toxicity seen in humans. Administration of norethindrone acetate alone to rodents at several multiples of the human dose results in no treatment related mortality, hematological changes, behavioral changes, or organ pathology[3]. Norethindrone acetate administration leads to significant and proportional reductions of the concentrations of triglycerides, cholesterol and phospholipids of plasma lipoproteins of density <1.006 of rats fed a high carbohydrate diet. Norethindrone acetate (0.1 mM) also significantly inhibits the incorporation of both palmitate and glycerol into triglycerides of isolated hepatocytes from fed rats[4].
Animal Admin	Rats: Female Sprague-Dawley rats (200-210 g), 6 of which serve as controls, are individually caged in an animal room illuminated from 9:00 a.m. to 9:00 p.m. Each of the 7 rats receiving norethindrone acetate is fed 35 μg/day for 2 weeks. Water and the rat chow which is high in carbohydrate are available ad libitum[4].
References	[1]. Muneyyirci-Delale O, et al. Effect of norethindrone acetate in the treatment of symptomatic endometriosis. Int J Fertil Womens Med. 1998 Jan-Feb;43(1):24-7. [2]. Kaser DJ, et al. Use of norethindrone acetate alone for postoperative suppression of endometriosis symptoms. J Pediatr Adolesc Gynecol. 2012 Apr;25(2):105-8. [3]. Maier WE, et al. Pharmacology and toxicology of ethinyl estradiol and norethindrone acetate in experimental animals. Regul Toxicol Pharmacol. 2001 Aug;34(1):53-61. [4]. Cheng DC, et al. Norethindrone acetate inhibition of triglyceride synthesis and release by rat hepatocytes. Atherosclerosis. 1983 Jan;46(1):41-8.

Density	1.1±0.1 g/cm3
Boiling Point	454.7±45.0 °C at 760 mmHg
Molecular Formula	C₂₂H₂₈O₃
Molecular Weight	340.456
Flash Point	197.1±28.8 °C
Exact Mass	340.203857
PSA	43.37000
LogP	3.99
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.556
Storage condition	2~8°C

19-Norethindrone acetate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RC8965000

CHEMICAL NAME :: 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 17-acetoxy-

CAS REGISTRY NUMBER :: 51-98-9

BEILSTEIN REFERENCE NO. :: 2064104

LAST UPDATED :: 199612

DATA ITEMS CITED :: 37

MOLECULAR FORMULA :: C22-H28-O3

MOLECULAR WEIGHT :: 340.50

WISWESSER LINE NOTATION :: L E5 B666 OV MUTJ E1 FOV1 F1UU1 -B&EF

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 303 ug/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Nutritional and Gross Metabolic - weight loss or decreased weight gain

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2190 ug/kg

SEX/DURATION :: female 52 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2 mg/kg

SEX/DURATION :: female 20 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - menstrual cycle changes or disorders

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1150 ug/kg

SEX/DURATION :: female 23 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

DOSE :: 45 ug/kg

SEX/DURATION :: lactating female 15 day(s) post-birth

TOXIC EFFECTS :: Reproductive - Maternal Effects - postpartum

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

DOSE :: 366 ug/kg

SEX/DURATION :: female 21 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

DOSE :: 15 mg/kg

SEX/DURATION :: female 13-30 week(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - urogenital system

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 12 mg/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 1 mg/kg

SEX/DURATION :: female 10 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Newborn - other neonatal measures or effects

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 6 mg/kg

SEX/DURATION :: female 1-3 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 408 mg/kg

SEX/DURATION :: female 30 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - menstrual cycle changes or disorders

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 7 mg/kg

SEX/DURATION :: female 14 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 1200 ug/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 2800 ug/kg

SEX/DURATION :: female 14 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - ovaries, fallopian tubes

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 50 mg/kg

SEX/DURATION :: female 15-24 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - fetal death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 150 mg/kg

SEX/DURATION :: female 14-19 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - urogenital system Reproductive - Effects on Newborn - live birth index (measured after birth)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 55 mg/kg

SEX/DURATION :: female 15-25 day(s) after conception

TOXIC EFFECTS :: Reproductive - Effects on Embryo or Fetus - extra-embryonic structures (e.g., placenta, umbilical cord) Reproductive - Specific Developmental Abnormalities - homeostasis

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 60 mg/kg

SEX/DURATION :: female 17-20 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - urogenital system

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 70 mg/kg

SEX/DURATION :: female 14 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Parenteral

DOSE :: 7500 ug/kg

SEX/DURATION :: female 1-3 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

DOSE :: 25800 ug/kg

SEX/DURATION :: female 17 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

DOSE :: 2 ug/kg

SEX/DURATION :: female 1 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 80 mg/kg

SEX/DURATION :: female 16-19 day(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - urogenital system

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 20 mg/kg

SEX/DURATION :: female 1-4 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - female fertility index (e.g. # females pregnant per # sperm positive females; # females pregnant per # females mated) Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 4 mg/kg

SEX/DURATION :: female 5 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 3 mg/kg

SEX/DURATION :: female 3 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - other measures of fertility

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 125 ug/kg

SEX/DURATION :: female 1 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

DOSE :: 7500 ug/kg

SEX/DURATION :: female 17 week(s) pre-mating

TOXIC EFFECTS :: Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)

TYPE OF TEST :: Micronucleus test

TYPE OF TEST :: Sister chromatid exchange

TYPE OF TEST :: Dominant lethal test

MUTATION DATA

TEST SYSTEM :: Rodent - mouse

DOSE/DURATION :: 11200 mg/kg/4W

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 26,535,1974 *** REVIEWS *** IARC Cancer Review:Animal Sufficient Evidence IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,294,1987 TOXICOLOGY REVIEW CMROCX Current Medical Research and Opinion. (Clayton-Wray Pub. Ltd., 1a High St., Alton, Hants., UK) V.1- 1972- Volume(issue)/page/year: 4,309,1976

Symbol	GHS08
Signal Word	Warning
Hazard Statements	H351
Precautionary Statements	P281
Personal Protective Equipment	Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	Xn:Harmful
Risk Phrases	R40;R48
Safety Phrases	S36/37
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	RC8965000
HS Code	2915299090

Norethindrone

CAS#:68-22-4

acetic acid

CAS#:64-19-7

~96%

19-Norethindron...

CAS#:51-98-9

Literature: Leung; Karunanithy; Becket; Yeo Steroids, 1985 , vol. 46, # 1 p. 639 - 647

Norethindrone

CAS#:68-22-4

Ethanoic anhydride

CAS#:108-24-7

~87%

19-Norethindron...

CAS#:51-98-9

Literature: Zhou, Dong; Carlson, Kathryn E.; Katzenellenbogen, John A.; Welch, Michael J. Journal of Medicinal Chemistry, 2006 , vol. 49, # 15 p. 4737 - 4744

19-Nor-17-alpha...

CAS#:2205-78-9

19-Norethindron...

CAS#:51-98-9

Literature: Iriarte et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 436

Norethindrone

CAS#:68-22-4

19-Norethindron...

CAS#:51-98-9

Literature: Iriarte et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 436

Precursor 4
CAS#:68-22-4 Norethindrone CAS#:64-19-7 acetic acid CAS#:108-24-7 Ethanoic anhydride CAS#:2205-78-9 19-Nor-17-alpha...
DownStream 1
CAS#:472-54-8 19-Norpregn-4-e...

HS Code	2915299090
Summary	2915299090 salts of acetic acid。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:50.0%

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17α-Ethinyl-19-nortestosterone acetate

NORLUTATE

17α-Ethynyl-19-nortestosterone acetate

Estr-4-en-3-one, 17-(acetyloxy)-17-ethynyl-, (17β)-

19-Norethindrone acetate

17β-Acetoxy-19-nor-17α-pregn-4-en-20-yn-3-one

(17α)-3-Oxo-19-norpregn-4-en-20-yn-17-yl acetate

19-Nor-17α-pregn-4-en-20-yn-3-one, 17-hydroxy-, acetate

17-α-Ethynyl-19-nortestosterone acetate

17α-Ethinyl-19-nortestosterone-17β-acetate

Milligynon

MFCD04039850

19-Norpregn-4-en-20-yn-3-one, 17-(acetyloxy)-, (17α)-

17α-Ethynyl-17β-acetoxy-19-norandrost-4-en-3-one

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

17-Acetoxy-19-nor-17α-pregn-4-en-20-yn-3-one

Norethindrone acetate

19-Norpregn-4-en-20-yn-3-one, 17- (acetyloxy)-, (17α)-

Norethisterone acetate

Primolut-Nor

17-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one acetate

EINECS 200-132-0

Norlutin A

17-α-Ethinyl-19-nortestosterone-17-β-acetate

Norlutin acetate

17α-Ethynyl-17-hydroxyestr-4-en-3-one acetate

Norethindrone 17-acetate

17β-Hydroxy-19-nor-17α-pregn-4-en-20-yn-3-one acetate

19-nor-17α-Pregn-4-en-20-yn-3-one, 17-acetoxy-

19-Nor-17α-ethynyltestosterone Acetate

Estr-4-en-3-one, 17α-ethynyl-17-hydroxy-, acetate

19-Nor-17α-pregn-4-en-20-yn-3-one, 17-hydroxy-, acetate (8CI)

Aygestin

(8R,9S,10R,13S,14S,17R)-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

Norethisteron acetate

Norlutin-A

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China
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Purity: 98.0%
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Zhejiang Hangyu API Co., Ltd
China
Product Name: 19-Norethindrone acetate
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Purity: 99.5%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 19-Norethindrone acetate
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Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

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19-Norethindrone acetate

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