Estradiol Cypionate

Modify Date: 2025-08-23 09:06:36

Estradiol Cypionate structure	Common Name	Estradiol Cypionate
	CAS Number	313-06-4	Molecular Weight	396.562
	Density	1.2±0.1 g/cm3	Boiling Point	532.8±50.0 °C at 760 mmHg
	Molecular Formula	C₂₆H₃₆O₃	Melting Point	≥300 °C(lit.)
	MSDS	Chinese USA	Flash Point	207.7±22.9 °C
	Symbol	GHS07, GHS08	Signal Word	Danger

Use of Estradiol Cypionate

Estradiol cypionate is a 17 β-cyclopentylpropinate ester of estradiol, inhibits ET-1 synthesis via estrogen receptorIC50 value:Target: estrogen receptorEstradiol cypionate is a synthetic ester, is a estrogen. Compared to other commonly used estradiol esters, via the intramuscular route, Estradiol cypionate is found to have the longest duration of action with a duration of ~11 days,

Name	β-Estradiol 17-cypionate
Synonym	More Synonyms

Description	Estradiol cypionate is a 17 β-cyclopentylpropinate ester of estradiol, inhibits ET-1 synthesis via estrogen receptorIC50 value:Target: estrogen receptorEstradiol cypionate is a synthetic ester, is a estrogen. Compared to other commonly used estradiol esters, via the intramuscular route, Estradiol cypionate is found to have the longest duration of action with a duration of ~11 days,
Related Catalog	Signaling Pathways >> Others >> Estrogen Receptor/ERR Research Areas >> Endocrinology
References	[1]. Feng X, et al. NMI inhibits cancer stem cell traits by downregulating hTERT in breast cancer. Cell Death Dis. 2017 May 11;8(5):e2783.

Density	1.2±0.1 g/cm3
Boiling Point	532.8±50.0 °C at 760 mmHg
Melting Point	≥300 °C(lit.)
Molecular Formula	C₂₆H₃₆O₃
Molecular Weight	396.562
Flash Point	207.7±22.9 °C
Exact Mass	396.266449
PSA	46.53000
LogP	7.59
Vapour Pressure	0.0±1.5 mmHg at 25°C
Index of Refraction	1.579

Estradiol Cypionate MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KG4600000

CHEMICAL NAME :: Estradiol, 17-cyclopentanepropionate

CAS REGISTRY NUMBER :: 313-06-4

BEILSTEIN REFERENCE NO. :: 3171075

LAST UPDATED :: 199701

DATA ITEMS CITED :: 20

MOLECULAR FORMULA :: C26-H36-O3

MOLECULAR WEIGHT :: 396.62

WISWESSER LINE NOTATION :: L E5 B666TTT&J E1 OQ FOV2- AL5TJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: NIIRDN Drugs in Japan (Ethical Drugs). (Yakugyo Jiho Co., Ltd., Tokyo, Japan) Volume(issue)/page/year: 6,105,1982 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 450 mg/kg/78W-I

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 49,335,1994 ** REPRODUCTIVE DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 25 ug/kg

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

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

REFERENCE :: ENDOAO Endocrinology (Baltimore). (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21203) V.1- 1917- Volume(issue)/page/year: 69,1068,1961

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 50 ug/kg

SEX/DURATION :: female 5 day(s) after conception

TOXIC EFFECTS :: Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Fertility - other measures of fertility

REFERENCE :: CCPTAY Contraception. (Geron-X, Inc., POB 1108, Los Altos, CA 94022) V.1- 1970- Volume(issue)/page/year: 17,163,1978

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 25 ug/kg

SEX/DURATION :: female 1 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)

REFERENCE :: ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1906/08- Volume(issue)/page/year: 157,163,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 1200 ug/kg

SEX/DURATION :: male 25 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count) Reproductive - Paternal Effects - testes, epididymis, sperm duct Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands

REFERENCE :: JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960- Volume(issue)/page/year: 23,1,1970

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Parenteral

DOSE :: 32500 ng/kg

SEX/DURATION :: female 13 day(s) pre-mating

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

REFERENCE :: JANSAG Journal of Animal Science. (American Soc. of Animal Science, 309 W. Clark St., Champaign, IL 61820) V.1- 1942- Volume(issue)/page/year: 15,1211,1956

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 40 ug/kg

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

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

REFERENCE :: ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1906/08- Volume(issue)/page/year: 157,163,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 300 ug/kg

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

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

REFERENCE :: FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 16,281,1965

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 690 ug/kg

SEX/DURATION :: female 6-8 day(s) after conception

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

REFERENCE :: FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 16,281,1965

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 50 ug/kg

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

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

REFERENCE :: JRPFA4 Journal of Reproduction and Fertility. (Biochemical Soc. Book Depot, POB 32, Commerce Way, Colchester, Essex CO2 8HP, UK) V.1- 1960- Volume(issue)/page/year: 17,579,1968

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 25 ug/kg

SEX/DURATION :: female 1 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)

REFERENCE :: ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1906/08- Volume(issue)/page/year: 157,163,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 12500 ng/kg

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

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

REFERENCE :: ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1906/08- Volume(issue)/page/year: 157,163,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 33 ug/kg

SEX/DURATION :: female 4 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - ovaries, fallopian tubes Reproductive - Maternal Effects - uterus, cervix, vagina Reproductive - Maternal Effects - breasts, lactation (prior to or during pregnancy)

REFERENCE :: AJVRAH American Journal of Veterinary Research. (American Veterinary Medical Assoc., 930 N. Meacham Rd., Schaumburg, IL 60196) V.1- 1940- Volume(issue)/page/year: 30,551,1969

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intramuscular

DOSE :: 33 ug/kg

SEX/DURATION :: female 4 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - other effects

REFERENCE :: AJVRAH American Journal of Veterinary Research. (American Veterinary Medical Assoc., 930 N. Meacham Rd., Schaumburg, IL 60196) V.1- 1940- Volume(issue)/page/year: 30,551,1969

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

DOSE :: 24 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)

REFERENCE :: FESTAS Fertility and Sterility. (American Fertility Soc., 608 13th Ave. S, Birmingham, AL 35282) V.1- 1950- Volume(issue)/page/year: 16,281,1965

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 200 ug/kg

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

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

REFERENCE :: ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1906/08- Volume(issue)/page/year: 157,163,1967

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 2 ug/kg

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

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

REFERENCE :: ANREAK Anatomical Record. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1906/08- Volume(issue)/page/year: 157,163,1967 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X5348 No. of Facilities: 412 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 4195 (estimated) No. of Female Employees: 2120 (estimated)

Symbol	GHS07, GHS08
Signal Word	Danger
Hazard Statements	H302-H312-H332-H350-H360
Precautionary Statements	P201-P280-P308 + P313
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	T:Toxic
Risk Phrases	R20/21/22;R36/37/38;R45;R46;R61
Safety Phrases	S53-S22-S36/37/39-S45-S26
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	KG4600000

Precursor 2
CAS#:633-36-3 estra-1,3,5(10)... CAS#:50-28-2 beta-Estradiol
DownStream 0

Premature estrogen exposure alters endometrial gene expression to disrupt pregnancy in the pig.

Endocrinology 148(10) , 4761-73, (2007)

Establishment and maintenance of pregnancy in the pig involve intricate communication between the developing conceptuses and maternal endometrium. Conceptus synthesis and release of estrogen during tr...

Effects of estrogen receptor agonists on regulation of the inflammatory response in astrocytes from young adult and middle-aged female rats.

J. Neuroimmunol. , (2008)

Estrogen has been shown to attenuate the inflammatory response following injury or lipopolysaccharide treatment in several organ systems. Estrogen's actions are transduced through two estrogen recepto...

Effects of two estradiol esters (benzoate and cypionate) on the induction of synchronized ovulations inBos indicuscows submitted to a timed artificial insemination protocol

Theriogenology 78(3) , 510-6, (2012)

The effects of estradiol benzoate (EB) and estradiol cypionate (EC) on induction of ovulation after a synchronized LH surge and on fertility of Bos indicus females submitted to timed AI (TAI) were eva...

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Depogen

MFCD00056558

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β-Estradiol 17-Cyclopentylpropionate

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17β-Estradiol 17-cyclopentylpropionate

EINECS 206-237-8

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