Dayangchem's 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. DayangChem can provide different quantities

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

2,4-Ethano-2H,9H-dipyrano[4,3,2-de:3, 2-g][1]benzopyran-9-one, 3,3a,4,5-tetrahydro-3-hydroxy-2,5, 5-trimethyl-, [2R- (2.alpha.,3.beta.,3a.beta.,4.alpha.)]- cas 33044-74-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated p