peforelin peforelin peforelin (inn), or peforelin acetate, sold under the brand name maprelin, is a gonadotropin-releasing hormone agonist (gnrh agonist) medication which is used in veterinary medicine in europe and canada. it is a gnrh analogue and a synthetic peptide, specifically a decapeptide. the drug was introduced for veterinary use by 2001. peforelinclinical datatrade namesmaprelinother nameslamprey gnrh-iii; h-pyr-his-trp-ser-his-asp-trp-lys-pro-gly-nh2; xhwshdwkpgroutes ofadministrationinjectiondrug classgnrh agonistidentifiers iupac name (3s)-4-pyrrolidin-1-yl]-1-oxohexan-2-yl]amino]-3-(1h-indol-3-yl)-1-oxopropan-2-yl]amino]-3-amino]propanoyl]amino]-3-(1h-indol-3-yl)propanoyl]amino]propanoyl]amino]-3-(1h-imidazol-5-yl)propanoyl]amino]-4-oxobutanoic acid cas number147859-97-0pubchem cid16197823chemspider17326238uniiuj8nq5z0vxcomptox dashboard (epa)dtxsid30163819 echa infocard100.223.356 chemical and physical dataformulac59h74n18o14molar mass1259.353 g·mol−13d model (jsmol)interactive image smiles ncccc(nc(=o)(cc1cc2ccccc12)nc(=o)(cc(=o)o)nc(=o)(cc1cnc1)nc(=o)(co)nc(=o)(cc1cc2ccccc12)nc(=o)(cc1cnc1)nc(=o)1ccc(=o)n1)c(=o)n1ccc1c(=o)ncc(n)=o inchi inchi=1s/c59h74n18o14/c60-16-6-5-12-40(59(91)77-17-7-13-47(77)58(90)66-27-48(61)79)70-52(84)41(18-31-23-64-37-10-3-1-8-35(31)37)72-56(88)45(22-50(81)82)75-55(87)44(21-34-26-63-30-68-34)74-57(89)46(28-78)76-53(85)42(19-32-24-65-38-11-4-2-9-36(32)38)71-54(86)43(20-33-25-62-29-67-33)73-51(83)39-14-15-49(80)69-39/h1-4,8-11,23-26,29-30,39-47,64-65,78h,5-7,12-22,27-28,60h2,(h2,61,79)(h,62,67)(h,63,68)(h,66,90)(h,69,80)(h,70,84)(h,71,86)(h,72,88)(h,73,83)(h,74,89)(h,75,87)(h,76,85)(h,81,82)/t39-,40-,41-,42-,43-,44-,45-,46-,47-/m0/s1key:rtasyrsywslwjv-csyzdtnesa-n