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

We are a Union of chemistry in China, consists of chemists，engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

1.Our services：A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

2,7-NAPHTHALENEDISULFONIC ACID 5-AMINO-3-[[4-[2-[4-[(7-AMINO-1-HYDROXY-3-SULFO-2-NAPHTHALENYL)AZO]-2-SULFOPHENYL]ETHENYL]-3-SULFOPHENYL]AZO]-4-HYDROXY-, POTASSIUM SALT, COMPD. WITH 2,2',2'-NITRILOTRISAppearance:white crystalline powder Storage:Store

Purity, Prompt shipment, Price Application:surface active agent