for the following products
(2Z)-5,6-dimethoxy-2-(pyridin-4-ylmethylidene)-2,3-dihydro-1H-inden-1-one | 4-[(5,6-Dimethoxy-1-indanone)-2-methyl] pyridine | 5,6-Dimethoxy-2-(pyridin-4-yl)methyleneindan-1-one | Donepezil intermediate (I) and 2,3-Dihydro-5,6-dimethoxy-2-(4-pyridinylmethylene)-1H-inden-1-one
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...
