API Bulk Drugs Sr. No. API Bulk Drugs pharmacopoeia specifications 1 3′, 3″, 5′ 5″ tetrabromophenolphthalein 2 Palmitoylethanolamide 3 Phenolphthalein White IP 4 Phenolphthalein White USP 5 Phenolphthalein Yellowish White IP 6 Pyrans 7 Thymolphthalein 8 Xanthene 9 Yellow Phenolphthalein USP
