Estradiol distearate

Estradiol distearate
Clinical data
Other names	EDS; Estradiol 3,17β-distearate; Estradiol dioctadecanoate; Estra-1,3,5(10)-triene-3,17β-diol 3,17β-dioctadecanoate
Identifiers
	IUPAC name [(8R,9S,13S,14S,17S)-13-methyl-3-octadecanoyloxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] octadecanoate;
CAS Number	126144-03-4 ;
PubChem CID	53672832;
UNII	B8HEM55UGK;
Chemical and physical data
Formula	C54H92O4
Molar mass	805.326 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CCCCCCCCCCCCCCCCCC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C3C=CC(=C4)OC(=O)CCCCCCCCCCCCCCCCC)C;
	InChI InChI=1S/C54H92O4/c1-4-6-8-10-12-14-16-18-20-22-24-26-28-30-32-34-52(55)57-46-37-39-47-45(44-46)36-38-49-48(47)42-43-54(3)50(49)40-41-51(54)58-53(56)35-33-31-29-27-25-23-21-19-17-15-13-11-9-7-5-2/h37,39,44,48-51H,4-36,38,40-43H2,1-3H3/t48-,49-,50+,51+,54+/m1/s1; Key:BBBPCTNBNYFUOV-NXCWIAOISA-N;

Estradiol distearate (EDS), also known as estradiol dioctadecanoate, is an estrogen and an estrogen ester, which was never marketed.^[1]^[2] It is a long-acting prodrug of estradiol in the body.^[2]

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Structural properties of selected estradiol esters
Estrogen	Structure	Ester(s)				Relative mol. weight	Relative E2 content^b	log P^c
Estrogen	Structure	Position(s)	Moiet(ies)	Type	Length^a	Relative mol. weight	Relative E2 content^b	log P^c
Estradiol		–	–	–	–	1.00	1.00	4.0
Estradiol acetate		C3	Ethanoic acid	Straight-chain fatty acid	2	1.15	0.87	4.2
Estradiol benzoate		C3	Benzoic acid	Aromatic fatty acid	– (~4–5)	1.38	0.72	4.7
Estradiol dipropionate		C3, C17β	Propanoic acid (×2)	Straight-chain fatty acid	3 (×2)	1.41	0.71	4.9
Estradiol valerate		C17β	Pentanoic acid	Straight-chain fatty acid	5	1.31	0.76	5.6–6.3
Estradiol benzoate butyrate		C3, C17β	Benzoic acid, butyric acid	Mixed fatty acid	– (~6, 2)	1.64	0.61	6.3
Estradiol cypionate		C17β	Cyclopentylpropanoic acid	Cyclic fatty acid	– (~6)	1.46	0.69	6.9
Estradiol enanthate		C17β	Heptanoic acid	Straight-chain fatty acid	7	1.41	0.71	6.7–7.3
Estradiol dienanthate		C3, C17β	Heptanoic acid (×2)	Straight-chain fatty acid	7 (×2)	1.82	0.55	8.1–10.4
Estradiol undecylate		C17β	Undecanoic acid	Straight-chain fatty acid	11	1.62	0.62	9.2–9.8
Estradiol stearate		C17β	Octadecanoic acid	Straight-chain fatty acid	18	1.98	0.51	12.2–12.4
Estradiol distearate		C3, C17β	Octadecanoic acid (×2)	Straight-chain fatty acid	18 (×2)	2.96	0.34	20.2
Estradiol sulfate		C3	Sulfuric acid	Water-soluble conjugate	–	1.29	0.77	0.3–3.8
Estradiol glucuronide		C17β	Glucuronic acid	Water-soluble conjugate	–	1.65	0.61	2.1–2.7
Estramustine phosphate^d		C3, C17β	Normustine, phosphoric acid	Water-soluble conjugate	–	1.91	0.52	2.9–5.0
Polyestradiol phosphate^e		C3–C17β	Phosphoric acid	Water-soluble conjugate	–	1.23^f	0.81^f	2.9^g
Footnotes: ^a = Length of ester in carbon atoms for straight-chain fatty acids or approximate length of ester in carbon atoms for aromatic or cyclic fatty acids. ^b = Relative estradiol content by weight (i.e., relative estrogenic exposure). ^c = Experimental or predicted octanol/water partition coefficient (i.e., lipophilicity/hydrophobicity). Retrieved from PubChem, ChemSpider, and DrugBank. ^d = Also known as estradiol normustine phosphate. ^e = Polymer of estradiol phosphate (~13 repeat units). ^f = Relative molecular weight or estradiol content per repeat unit. ^g = log P of repeat unit (i.e., estradiol phosphate). Sources: See individual articles.

References

^ Deb S, Wähälä K (October 2010). "Rapid synthesis of long chain fatty acid esters of steroids in ionic liquids with microwave irradiation: expedient one-pot procedure for estradiol monoesters". Steroids. 75 (10): 740–4. doi:10.1016/j.steroids.2010.03.005. PMID 20347856. S2CID 1695106.
^ ^a ^b Vazquez-Alcantara MA, Menjivar M, Garcia GA, Díaz-Zagoya JC, Garza-Flores J (December 1989). "Long-acting estrogenic responses of estradiol fatty acid esters". Journal of Steroid Biochemistry. 33 (6): 1111–8. doi:10.1016/0022-4731(89)90417-2. PMID 2515394.

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[DebWähälä2010-1] Deb S, Wähälä K (October 2010). "Rapid synthesis of long chain fatty acid esters of steroids in ionic liquids with microwave irradiation: expedient one-pot procedure for estradiol monoesters". Steroids. 75 (10): 740–4. doi:10.1016/j.steroids.2010.03.005. PMID 20347856. S2CID 1695106.

[Vazquez-AlcantaraMenjivar1989-2] Vazquez-Alcantara MA, Menjivar M, Garcia GA, Díaz-Zagoya JC, Garza-Flores J (December 1989). "Long-acting estrogenic responses of estradiol fatty acid esters". Journal of Steroid Biochemistry. 33 (6): 1111–8. doi:10.1016/0022-4731(89)90417-2. PMID 2515394.

[1]

[2]

v t e Estradiol
Topics	Estradiol (as a hormone) Estradiol (as a medication) Pharmacodynamics of estradiol Pharmacokinetics of estradiol Estrogen (as a hormone) Estrogen (as a medication) Menopausal hormone therapy Feminizing hormone therapy Estradiol-containing birth control pill Combined injectable birth control High-dose estrogen Hydroxylation of estradiol
Esters	Estradiol acetate Estradiol acetylsalicylate Estradiol anthranilate Estradiol benzoate butyrate Estradiol benzoate cyclooctenyl ether Estradiol benzoate Estradiol butyrylacetate Estradiol cyclooctyl acetate Estradiol cypionate Estradiol decanoate Estradiol diacetate Estradiol dibutyrate Estradiol dienantate Estradiol dipropionate Estradiol distearate Estradiol disulfate Estradiol diundecylate Estradiol diundecylenate Estradiol enantate Estradiol furoate Estradiol glucuronide Estradiol hemisuccinate Estradiol hexahydrobenzoate Estradiol monopropionate Estradiol mustard Estradiol palmitate Estradiol phenylpropionate Estradiol phosphate Estradiol pivalate Estradiol propoxyphenylpropionate Estradiol salicylate Estradiol stearate Estradiol sulfamate Estradiol sulfate Estradiol undecylate Estradiol undecylenate Estradiol valerate Estramustine phosphate (estradiol normustine phosphate) Estrogen ester Polyestradiol phosphate
Related	Estrone Estriol Estetrol Ethinylestradiol Conjugated estrogens Esterified estrogens Estrone sulfate Estropipate (piperazine estrone sulfate)

Estradiol distearate

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Estradiol distearate

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