proligestone proligestone proligestone, sold under the brand names covinan and delvosteron, is a progestin medication which is used in veterinary medicine. proligestoneclinical datatrade namescovinan, delvosteronother names14α,17α-propylidenedioxyprogesterone; 14α,17α-dihydroxyprogesterone cyclic acetal with propionaldehyde; 14α,17α-dihydroxypregn-4-ene-3,20-dione cyclic acetal with propionaldehydedrug classprogestogen; progestinatc codeg03da90 (who) identifiers iupac name 14α,17α-(propylidenebis(oxy))pregn-4-ene-3,20-dione cas number23873-85-0pubchem cid71906chemspider64917unii55772lj01vkeggd08429chemblchembl2106696echa infocard100.041.733 chemical and physical dataformulac24h34o4molar mass386.532 g·mol−13d model (jsmol)interactive image smiles ccc1o23cc(2(cc43ccc5=cc(=o)cc45c)c)(o1)c(=o)c inchi inchi=1s/c24h34o4/c1-5-20-27-23(15(2)25)12-13-24(28-20)19-7-6-16-14-17(26)8-10-21(16,3)18(19)9-11-22(23,24)4/h14,18-20h,5-13h2,1-4h3/t18-,19+,20?,21-,22+,23-,24+/m0/s1key:mqsduyixzdslsz-qsdcugrssa-n uses veterinary proligestone is used to control estrus in dogs and cats and has also been used to treat hypersexuality in dogs and cats. pharmacology pharmacodynamics proligestone is a progestogen, or an agonist of the progesterone receptor (pr). chemistry