for the following products
1,8-Diazabicyclo[5.4.0]undec-7-ene, compound with p-toluenesulfonic acid (1:1) | p-Toluenesulfonic acid DBU salt and 2,3,4,6,7,8,9,10-Octahydropyrimido[1,2-a]azepinium (p-tolylsulfonate)
Located in Hangzhou National Hi-Tech Industrial Development Zone, Hangzhou Zhongqi Chem Co.,Ltd is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries.
Our advantage :
1.We do not simply provide chemicals, we provide chemical solutions and expertise;
2.We have trained, highly effective team to solve the problem at the first time;
3.Our QMS (quality management system) ensures the product quality strictly;
4.Strong rese...
