Megestrol acetate

Modify Date: 2024-01-02 16:30:54

Megestrol acetate structure	Common Name	Megestrol acetate
	CAS Number	595-33-5	Molecular Weight	384.509
	Density	1.2±0.1 g/cm3	Boiling Point	507.1±50.0 °C at 760 mmHg
	Molecular Formula	C₂₄H₃₂O₄	Melting Point	214°C
	MSDS	Chinese USA	Flash Point	218.5±30.2 °C
	Symbol	GHS08	Signal Word	Warning

Use of Megestrol acetate

Megestrol Acetate is a synthetic progesteronal agent with an IC50 of 260 μM for the inhibition of HegG2.Target: Progesterone ReceptorMegestrol acetate, also known as 17α-acetoxy-6-dehydro-6-methylprogesterone, and sometimes abbreviated as MGA or MA, is a steroidal progestin and progesterone derivative (specifically, a 17-hydroxylated progesterone) with predominantly progestational and antigonadotropic effects. Megestrol acetate is a good candidate for muscle wasting treatment and future studies addressed at the interaction between the drug and protein turnover in human skeletal muscle should be performed.

Name	megestrol acetate
Synonym	More Synonyms

Description	Megestrol Acetate is a synthetic progesteronal agent with an IC50 of 260 μM for the inhibition of HegG2.Target: Progesterone ReceptorMegestrol acetate, also known as 17α-acetoxy-6-dehydro-6-methylprogesterone, and sometimes abbreviated as MGA or MA, is a steroidal progestin and progesterone derivative (specifically, a 17-hydroxylated progesterone) with predominantly progestational and antigonadotropic effects. Megestrol acetate is a good candidate for muscle wasting treatment and future studies addressed at the interaction between the drug and protein turnover in human skeletal muscle should be performed.
Related Catalog	Signaling Pathways >> Autophagy >> Autophagy Signaling Pathways >> Others >> Progesterone Receptor Research Areas >> Endocrinology
References	[1]. Neumann, F., The physiological action of progesterone and the pharmacological effects of progestogens--a short review. Postgrad Med J, 1978. 54 Suppl 2: p. 11-24. [2]. Argiles, J.M., A. Anguera, and B. Stemmler, A new look at an old drug for the treatment of cancer cachexia: megestrol acetate. Clin Nutr, 2013. 32(3): p. 319-24.

Description

Related Catalog

Signaling Pathways >> Autophagy >> Autophagy

Signaling Pathways >> Others >> Progesterone Receptor

Research Areas >> Endocrinology

References

[1]. Neumann, F., The physiological action of progesterone and the pharmacological effects of progestogens--a short review. Postgrad Med J, 1978. 54 Suppl 2: p. 11-24.

[2]. Argiles, J.M., A. Anguera, and B. Stemmler, A new look at an old drug for the treatment of cancer cachexia: megestrol acetate. Clin Nutr, 2013. 32(3): p. 319-24.

Density	1.2±0.1 g/cm3
Boiling Point	507.1±50.0 °C at 760 mmHg
Melting Point	214°C
Molecular Formula	C₂₄H₃₂O₄
Molecular Weight	384.509
Flash Point	218.5±30.2 °C
Exact Mass	384.230072
PSA	60.44000
LogP	3.82
Vapour Pressure	0.0±1.3 mmHg at 25°C
Index of Refraction	1.551
Storage condition	Refrigerator

Megestrol acetate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TU4075000

CHEMICAL NAME :: Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-, acetate

CAS REGISTRY NUMBER :: 595-33-5

LAST UPDATED :: 199806

DATA ITEMS CITED :: 40

MOLECULAR FORMULA :: C24-H32-O4

MOLECULAR WEIGHT :: 384.56

WISWESSER LINE NOTATION :: L E5 B666 OV KU MUTJ A1 E1 FV1 FOV1 L1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 256 mg/kg/7Y-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Skin and Appendages - tumors Endocrine - diabetes mellitus

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 182 mg/kg/2Y-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Skin and Appendages - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 210 ug/kg

SEX/DURATION :: female 21 day(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 :: 1825 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 :: 2430 ug/kg

SEX/DURATION :: female 34 week(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 :: 1820 ug/kg

SEX/DURATION :: female 26 week(s) pre-mating

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

DOSE :: 1800 ug/kg

SEX/DURATION :: female 30 day(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 :: Implant

DOSE :: 1440 ug/kg

SEX/DURATION :: female 43 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 :: Implant

DOSE :: 1440 ug/kg

SEX/DURATION :: female 40 week(s) pre-mating

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

DOSE :: 1840 ug/kg

SEX/DURATION :: female 43 week(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 :: 1200 mg/kg

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

TOXIC EFFECTS :: Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 2790 ug/kg

SEX/DURATION :: female 50 week(s) pre-mating female 1-22 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) 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 :: Oral

DOSE :: 9 mg/kg

SEX/DURATION :: female 15-20 day(s) after conception

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 15 mg/kg

SEX/DURATION :: male 15 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 15 mg/kg

SEX/DURATION :: female 15 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 :: 140 mg/kg

SEX/DURATION :: female 1-7 day(s) after conception

TOXIC EFFECTS :: Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Fertility - other measures of fertility

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 7 mg/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 :: 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 :: Subcutaneous

DOSE :: 14 mg/kg

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

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Unreported

DOSE :: 15 mg/kg

SEX/DURATION :: female 30 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 - Maternal Effects - uterus, cervix, vagina

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 16800 ug/kg

SEX/DURATION :: female 21 day(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 :: 4600 ug/kg

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

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 100 ug/kg

SEX/DURATION :: female 5 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 :: 2 mg/kg

SEX/DURATION :: female 1 day(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 :: 625 ug/kg

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

TOXIC EFFECTS :: Reproductive - Fertility - mating performance (e.g. # sperm positive females per # females mated; # copulations per # estrus cycles)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 150 ug/kg

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

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 37500 ng/kg

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

TOXIC EFFECTS :: Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 8 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 :: 50 ug/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 :: Intramuscular

DOSE :: 128 ug/kg

SEX/DURATION :: female 16 day(s) pre-mating

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

TYPE OF TEST :: DNA adduct

TYPE OF TEST :: Unscheduled DNA synthesis

MUTATION DATA

TEST SYSTEM :: Rodent - mouse

DOSE/DURATION :: 200 mg/kg

REFERENCE :: JOENAK Journal of Endocrinology. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1939- Volume(issue)/page/year: 60,167,1974 *** REVIEWS *** IARC Cancer Review:Animal Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 21,431,1979 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 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6284 No. of Facilities: 22 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 771 (estimated) No. of Female Employees: 372 (estimated)

Symbol	GHS08
Signal Word	Warning
Hazard Statements	H351-H373
Precautionary Statements	P281
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful
Risk Phrases	R40;R48
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	TU4075000

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Megestrol (Acetate)

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China
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