CAS 1361402-15-4 (inner salt), 1032678-01-5 (chloride), 1251915-29-3 (iodide) appears in our catalog under these names: Cyanine3 carboxylic acid, Cyanine3 carboxylic acid, 95%. Offered by: GLPBio, Lumiprobe. Available pack sizes: 5mg, 1mg, 25mg, 50mg, 100mg.