mating pheromone Er-1 is a chemical compound registered under CAS number 118337-10-3, with the molecular formula C183H276 N46 O67 S7 and a molecular weight of about 4416.9 g/mol. It is also known as Euplomone r1 (Euplotes raikovi reduced). GoooChem supplies mating pheromone Er-1 for laboratory research and bulk production; product code 1021880. Send an inquiry for purity, packaging, price and lead time.