Phentolamine hydrochloride

≥98% (TLC), α-adrenoceptor antagonist, powder CAS Number: 73-05-2; EC Number: 200-793-5; Synonyms: 2-[N-(3-Hydroxyphenyl)-p-toluidinomethyl]-2-imidazolidine hydrochloride,3-[[(4,5-Dihydro-1H-imidazol-2-yl)-methyl](4-methylphenyl)-amino]-phenol monohydrochloride at Sigma-Aldrich