CAS 74-11-3 appears in our catalog under these names: Indomethacin (Indometacin) EP Impurity A (Indomethacin USP Related Compound B, Acemetacin EP Impurity A, Bezafibrate EP Impurity B, Clopamide EP Impurity B) , Indomethacin Related Compound B, 4-Chlorobenzoic Acid, >95% (HPLC), 4-Chlorobenzoic Acid, 4-Chlorobenzoic acid/ 99%. Offered by: Chemat Brand, TRC, Mikromol, Dr. Ehrenstorfer, Chemat. Available pack sizes: on request, 25g, 50g, 25mg, 100mg, 250mg, 1kg, 250g.