Estradiol monopropionate

Estradiol monopropionate
Clinical data
Trade names	Acrofollin, Akrofollin, Follhormon
Other names	EP; Estradiol monopropionate; Estradiol propanoate; Estradiol 17β-propionate; Estradiol 17β-propanoate; Estra-1,3,5(10)-trien-3,17β-diol 17β-propionate
Routes of; administration	Intramuscular injection
Drug class	Estrogen; Estrogen ester
Identifiers
	IUPAC name [(8R,9S,13S,14S,17S)-3-Hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] propanoate;
CAS Number	3758-34-7;
PubChem CID	19571;
ChemSpider	18438;
UNII	K31PC34297;
CompTox Dashboard (EPA)	DTXSID4048985 ;
ECHA InfoCard	100.021.059
Chemical and physical data
Formula	C21H28O3
Molar mass	328.452 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CCC(=O)OC1CCC2C1(CCC3C2CCC4=C3C=CC(=C4)O)C;
	InChI InChI=1S/C21H28O3/c1-3-20(23)24-19-9-8-18-17-6-4-13-12-14(22)5-7-15(13)16(17)10-11-21(18,19)2/h5,7,12,16-19,22H,3-4,6,8-11H2,1-2H3/t16-,17-,18+,19+,21+/m1/s1; Key:PQCRZWCSVWBYSC-AGRFSFNASA-N;

Estradiol propionate (EP), also known as estradiol monopropionate or estradiol 17β-propionate and sold under the brand names Acrofollin, Akrofollin, and Follhormon, is an estrogen medication and estrogen ester which is no longer marketed.^[1]^[2] It is the C17β propionate ester of estradiol.^[1]^[2] EP was provided in an oil solution and was administered by intramuscular injection.^[3]^[4]^[5]^[6] The medication was first marketed by 1938 or 1939.^[7]^[8]

More information Estrogen, Other names ...

Quick Facts Clinical data, Trade names ...

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Estrogen	Other names	RBATooltip Relative binding affinity (%)^a	REP (%)^b
Estrogen	Other names	ER	ERα	ERβ
Estradiol	E2	100	100	100
Estradiol 3-sulfate	E2S; E2-3S	?	0.02	0.04
Estradiol 3-glucuronide	E2-3G	?	0.02	0.09
Estradiol 17β-glucuronide	E2-17G	?	0.002	0.0002
Estradiol benzoate	EB; Estradiol 3-benzoate	10	1.1	0.52
Estradiol 17β-acetate	E2-17A	31–45	24	?
Estradiol diacetate	EDA; Estradiol 3,17β-diacetate	?	0.79	?
Estradiol propionate	EP; Estradiol 17β-propionate	19–26	2.6	?
Estradiol valerate	EV; Estradiol 17β-valerate	2–11	0.04–21	?
Estradiol cypionate	EC; Estradiol 17β-cypionate	?^c	4.0	?
Estradiol palmitate	Estradiol 17β-palmitate	0	?	?
Estradiol stearate	Estradiol 17β-stearate	0	?	?
Estrone	E1; 17-Ketoestradiol	11	5.3–38	14
Estrone sulfate	E1S; Estrone 3-sulfate	2	0.004	0.002
Estrone glucuronide	E1G; Estrone 3-glucuronide	?	<0.001	0.0006
Ethinylestradiol	EE; 17α-Ethynylestradiol	100	17–150	129
Mestranol	EE 3-methyl ether	1	1.3–8.2	0.16
Quinestrol	EE 3-cyclopentyl ether	?	0.37	?
Footnotes: ^a = Relative binding affinities (RBAs) were determined via in-vitro displacement of labeled estradiol from estrogen receptors (ERs) generally of rodent uterine cytosol. Estrogen esters are variably hydrolyzed into estrogens in these systems (shorter ester chain length -> greater rate of hydrolysis) and the ER RBAs of the esters decrease strongly when hydrolysis is prevented. ^b = Relative estrogenic potencies (REPs) were calculated from half-maximal effective concentrations (EC₅₀) that were determined via in-vitro β‐galactosidase (β-gal) and green fluorescent protein (GFP) production assays in yeast expressing human ERα and human ERβ. Both mammalian cells and yeast have the capacity to hydrolyze estrogen esters. ^c = The affinities of estradiol cypionate for the ERs are similar to those of estradiol valerate and estradiol benzoate (figure). Sources: See template page.

Estradiol monopropionate

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References

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