CAS 1566-81-0 appears in our catalog under these names: NS1652/ 99.95% (existing batch purity), NS1652, NS1652 99%, 2-(3-(3-(Trifluoromethyl)phenyl)ureido)benzoic acid, 99%, 99%, NS1652, 99.87%. Offered by: TargetMol, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 200mg, 50 mg.