基本信息：
中文名称 4-氯哒嗪
英文名称 4-Chloropyridazine
英文别名 Pyridazine,4-chloro;4-Chlor-pyridazin;4-chloro-pyridazine;
CAS号 17180-92-6

美国海关编码(HS-code)：2933999700
概述（Summary）：2933999700 Non-aromatic Heterocyclic Compounds With Nitrogen Hetero-atom(s) Only, Not Elsewhere Specified Or Included. Notes: if the compound is a drug,please use HTS 2933999000. Rate general: 6.5%18/. Rate special: Free (A,AU,BH,CA,CL,CO,E,IL,J,JO,K,L,MA,MX,OM,P,PA,PE,SG) 2.1% (KR) . Rate 2: 30.5%.