As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

4H-1-Benzopyran-4-one,2-(4-fluorophenyl)- 2- (4-fluorophenyl) chromen-4-one; 20D; 4'-fluoroflavone; CAS: 1645-21-2 Molecular formula: C15H9FO2 Molecular weight: 240.22900 Exact quality: 240.05900 PSA: 30.21000 LogP: 3.59910 Physic

4H-1-Benzopyran-4-one,2-(4-fluorophenyl)- cas 1645-21-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por