Chemical Name: 4-Chloro-2,6-diaminopyrimidine CAS No.: 156-83-2 Assay: 99.0% Appearance: White or off-white crystalline powder 4-Chloro-2,6-diaminopyrimidine Usageï¼? Used as an intermediate of the drug Minoxidil, also used in organically synthesized compounds. 4-Chloro-2,6-diaminopyrimidine Packaging and Shippingï¼? 25KG/drum or as per buyer requirements 4-Chloro-2,6-diaminopyrimidine Storage: Storage in ventilated low temperature dry warehouse; separately from oxidants and food additives.