CAS 909859-19-4 appears in our catalog under these names: SID-852843/ 97.19% (existing batch purity), SID–852843, Benzoic acid 5-amino-1-(4-methoxy-benzenesulfonyl)-1H-pyrazol-3-yl ester, SID-852843 99%, SID-852843. Offered by: TargetMol, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 500mg, 2mg.