CAS 1243652-36-9 appears in our catalog under these names: Cetirizine Impurity 37；USP Glyceryl ester of cetirizine, Cetirizine Hydrochloride Impurity 21, Cetirizine Impurity 22, Cetirizine glycerol ester dhydrochloride (mixture of diastereomers). Offered by: Chemat Brand, Hubei YoungXin, Biosynth. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg, 5mg.