3,4-Dihydroxybenzolic Acid (CAS No.: 99-50-3) is is a natural phenolic compound found in many edible and medicinal plants, that is why it has a common name as Protocatechuic Acid.
Hangzhou Biopak Co., Ltd is known as manufactuer of Phenolic Acids/ Polyphenols manufacturer in China, all based on innovative biosynthesis production process, and our full controlled subsidiary company in Nanchang of Jiangxi Province, is a modern plant occupying an area of 40,000 sqm.
Synonym: 3,4-DIHYDROXYBENZOIC ACID
CAS No.: 99-50-3
Molecular Weight: 154.12 g/mol
Apparance: White to off-white powder.
This substance or its ester form (Methyl 3,4-Dihydroxy Benzoate， Ethyl 3,4-Dihydroxy Benzoate) is an important key starting material (SM) of Active Pharmaecutical Ingredients (APIs) manufacturing including Gefitinib, Icotinib, Erlotinib, Roflumilast, Itopride, Ethamivan, Mebeverine, Tarceva etc.
Ethyl ester of 3,4-Dihydroxybenzoic Acid is approved and listed as FOOD ADDITIVE with sub-classification as antioxidiant by JEFCA/WHO.
It is important intermediate good to the development of chemcial industry.
We provide esterification reaction to get either Methyl 3,4-Dihydroxy Benzoate or Ethyl 3,4-Dihydroxy Benzoate for your usage