ALPHAMINE RED R BASE;3,6-DISULFO-2-NAPHTHYLAZO-N-PHENYL-1-NAPHTHYLAMINE;3-(4-ANILINO-1-NAPHTHYLAZO)-2,7-NAPHTHALENEDISULFONIC ACID;3-(4-Anilino-1-naphtylazo)-2,7-naphthalenedisulfonic acid;2,7-Naphthalenedisulfonic acid, 3-[2-[4-(phenylamino)-1-naphthalenyl]diazenyl]-;Alphamine Red R Base >(E)-3-((4-(phenylamino)naphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonic acid
Alphamine Red R Base (CAS# 57322-42-6) is an organic azo dye used as an indicator and reagent for thyroxine and triiodothyronine radioimmunoassays in blood serum.