3,4,5,6-tetrachloropyridazine

3,4,5,6-Tetrachloropyridazine (CAS 20074-67-3) is a pharmaceutical-grade intermediate manufactured directly by Shanghai Rlavie Technology Co., Ltd., supplied at a minimum purity of 98% with COA, HNMR, and HPLC/GC analytical data available on request. It meets multiple pharmacopoeial standards (ChP, USP, BP, EP, JP, Ph. Int., IP) alongside the supplier's in-house specification, and is sold across North America, Europe, Australasia, Asia, the Middle East, and Africa.