We are offering 4 methyl piperazine 1 yl sulphonyl chloride. Cas: 1688-95-5 molecular formula:c5h11cln2o2s molecular weight:198.67104 we undertake custom synthesis projects , develop molecules from mg to kg level. Typically it takes about 3-5 weeks to develop less complicated molecules and about 8-10 weeks for multistep molecules.