CAS 1032678-07-1 (chloride), 195867-59-5 (inner salt), 766503-38-2 (without anion) appears in our catalog under these names: Cyanine5 carboxylic acid, Cyanine5 carboxylic acid, 95%. Offered by: GLPBio, Lumiprobe. Available pack sizes: 5mg, 1mg, 25mg, 50mg, 100mg.