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 Viablife Biotech 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, named after Jiangxi Viablife Biotech Co., Ltd, is a modern plant occupying an area of 40,000 sqm.  

Chemical Entity    

Synonym: 3,4-DIHYDROXYBENZOIC ACID
protocatechuic acid
Protocatehuic acid
4-Carboxy-1,2-dihydroxybenzene
CAS No.: 99-50-3
Formula: C7H6O4
Molecular Weight: 154.12 g/mol
Structure:
Apparance: White to off-white powder.    

Application    

• 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.

Important NOTEs

• We provide esterification reaction to get either Methyl 3,4-Dihydroxy Benzoate or Ethyl 3,4-Dihydroxy Benzoate  for your usage