Sell Coumarin-6-carboxylic acid 7734-80-7

Description

We are manufacturer of pharmaceutical intermediates, flavors and high polymers since ***3, with excellent quality and reputation. Main products are Hypnone derivative and benzoyl hydride derivatives.
Products are manufactured as per GMP and ISO***0 standard, and over the years, they have been exported to Europe, North America, the Southeast Asia, the Middle East and Africa.
Our leading product, namely 2',6'-Dihydroxyacetophenone, was listed as "Zhejiang Provincial Quality High-tech Product", and 4,4'-(*-methylethylidene)bis[2,*-dibromophenol]-poly[oxycarbonyloxy*1,*-phenylene(*-methylethylidene)*1,*-phenylene] copolymer is our patented product.