Protocatechuic acid
	
	
	
			 
			
		 | 
| IUPAC | 3,4-dihydroxybenzoic acid | 
| CAS | 99-50-3 | 
| Molecular formula | C7H6O4 | 
| Average molecular mass (Molecular weight) | 154.122 | 
| Exact molecular mass (Monoisotopic mass) | 154.0266 | 
| [M+H]+ | 155.0344 | 
| [M-H]- | 153.0188 | 
| Remarks | 
			 
			
		 | 
| IUPAC | 3,4-dihydroxybenzoic acid | 
| CAS | 99-50-3 | 
| Molecular formula | C7H6O4 | 
| Average molecular mass (Molecular weight) | 154.122 | 
| Exact molecular mass (Monoisotopic mass) | 154.0266 | 
| [M+H]+ | 155.0344 | 
| [M-H]- | 153.0188 | 
| Remarks | 
Traditional Medical & Pharmaceutical Database
Section of Pharmacognosy,
Division of Medicinal Resources,
Department of Research and Development,
Institute of Natural Medicine,
University of Toyama
2630 Sugitani, Toyama 930-0194 Japan
TEL: +81-76-434-7601
FAX: +81-76-434-5064