prasterone sulfate prasterone sulfate prasterone sulfate (brand names astenile, mylis, teloin, others), also known as dehydroepiandrosterone sulfate (dhea-s), is a naturally occurring androstane steroid which is marketed and used in japan and other countries as a labor inducer in the treatment of insufficient cervical ripening and dilation during childbirth. it is the c3β sulfate ester of prasterone (dehydroepiandrosterone; dhea), and is known to act as a prohormone of dhea and by extension of androgens and estrogens, although it also has its own activity as a neurosteroid. prasterone sulfate is used medically as the sodium salt via injection and is referred to by the name sodium prasterone sulfate (jan). this article is about dhea sulfate as a medication. for as a natural hormone, see dhea sulfate. prasterone sulfateclinical datatrade namesastenile, dastonil, di luo an, dinistenile, levospa, mylis, sinsurrene, teloinother namesdhea sulfate; dhea-s; sodium prasterone sulfate; sodium prasterone sulfate hydrate; kyh-3102; nsc-72822; pb-005routes ofadministrationinjectiondrug classandrogen; anabolic steroid; androgen ester; estrogen; neurosteroididentifiers iupac name phenanthren-3-yl] hydrogen sulfate cas number651-48-9 1099-87-2pubchem cid12594chemspider12074unii57b09q7fjrchebichebi:16814chemblchembl259898chemical and physical dataformulac19h28o5smolar mass368.49 g·mol−13d model (jsmol)interactive image smiles c12cc3(1ccc2=o)cc=c43(cc(c4)os(=o)(=o)o)c inchi inchi=1s/c19h28o5s/c1-18-9-7-13(24-25(21,22)23)11-12(18)3-4-14-15-5-6-17(20)19(15,2)10-8-16(14)18/h3,13-16h,4-11h2,1-2h3,(h,21,22,23)/t13-,14-,15-,16-,18-,19-/m0/s1key:czwckyrvozzjnm-usoajaoksa-n prasterone sulfate is available in japan, italy, portugal, argentina, and china. brand names include astenile, dastonil, di luo an, dinistenile, levospa, mylis, sinsurrene, and teloin.