chlormethenmadinone acetate chlormethenmadinone acetate chlormethenmadinone acetate (cmma), also known as chlorsuperlutin, is a progestin medication which was developed in czechoslovakia in the 1960s. it has been used in combination with mestranol in birth control pills under the brand names biogest, sterolibrin, and antigest b, and in veterinary medicine under the brand name agelin. analogues of cmma include bromethenmadinone acetate (bromsuperlutin), which was assessed but was never marketed, and melengestrol acetate (methylsuperlutin), which is used in veterinary medicine. chlormethenmadinone acetateclinical datatrade namesbiogest, sterolibrin, antigest b, agelinother namessch-12600; 6-chloromethylene­dehydroacetoxy­progesterone; 17α-acetoxy-6-chloro-16-methylene-6-dehydroprogesterone; 16-methylene­chlormadinone acetate; 17α-acetoxy-6-chloro-16-methylenepregna-4,6-diene-3,20-dionedrug classprogestogen; progestin; progestogen esteridentifiers iupac name phenanthren-17-yl] acetate cas number6799-23-1pubchem cid175513chemspider152916chemblchembl3276150comptox dashboard (epa)dtxsid00987408 chemical and physical dataformulac24h29clo4molar mass416.94 g·mol−13d model (jsmol)interactive image smiles cc(=o)1(c(=c)c21(cc32c=c(c4=cc(=o)cc34c)cl)c)oc(=o)c inchi inchi=1s/c24h29clo4/c1-13-10-19-17-12-21(25)20-11-16(28)6-8-22(20,4)18(17)7-9-23(19,5)24(13,14(2)26)29-15(3)27/h11-12,17-19h,1,6-10h2,2-5h3/t17-,18+,19+,22-,23+,24+/m1/s1key:mdtbkpvvpcibit-usynndfzsa-n