Buy 3,4-Dihydroxybenzoic Acid Powder Phenolic Acid Online CAS 99-50-3
3,4-Dihydroxybenzoic acid Specification
Product Name: Protocatechuic acid
CAS: 99-50-3
Level: Pharmaceutical Grade
Content: 99%
Appearance: white powder
Packing: 25KG/cardboard drum
Category: Pharmaceutical Raw Materials
Industry: Pharmaceuticals
Field: Pharmaceutical Raw Materials
Deferred Products: Chronic Tracheal Drugs
Use: Antibacterial effect, in vitro test on Pseudomonas aeruginosa, Escherichia coli, Salmonella typhi, Shigella, Alcaligenes and Bacillus subtilis and Staphylococcus aureus have different degrees of antibacterial effect. There are also phlegm and asthma. Clinically used for the treatment of chronic bronchitis.
What is 3,4-Dihydroxybenzoic acid?
Protocatechuic acid (PCA) is a dihydroxybenzoic acid, a type of phenolic acid. It is a major metabolite of antioxidant polyphenols found in green tea. It has mixed effects on normal and cancer cells in in vitro and in vivo studies.
3,4-Dihydroxybenzoic acid Certificate of Analysis
| Product name |
3,4-Dihydroxybenzoic acid |
| CAS No. |
99-50-3 |
Outer Packing |
25kg/drum |
| Production date |
2017.10.15 |
Shelf life |
2019.10.14 |
| Standard adopted |
Enterprise standard |
| Items of analysis |
Specification |
Results |
| Appearance |
Off White crystalline powder |
Conforms |
| Heavy metal |
≤20ppm |
Conforms |
| Loss on drying |
≤0.50% |
0.10% |
| Ignition residue |
≤0.20% |
0.1% |
| Assay |
≥99.0% |
99.37% |
| Conclusion |
Qualified |
