ST 91 is a chemical compound registered under CAS number 4751-48-8, with the molecular formula C13H19 N3 and a molecular weight of about 217.31 g/mol. It is also known as 2-(2,6-Diethylphenylamino)-2-imidazolidine; 4749-61-5 (Mono-hydrochloride); N-(2,6-Diethylphenyl)-4,5-dihydro-1H-imidazol-2-amine. GoooChem supplies ST 91 for laboratory research and bulk production; product code 1425064. Send an inquiry for purity, packaging, price and lead time.