| Bioactivity | Aristolochic acid B is one of the major components of Aristolochic acids (AA) which are natural products derived from taxa in the Aristolochiaceae. Aristolochic acid is known to be a potent mutagen and carcinogen. Aristolochic acid B showes more carcinogenic risk than Aristolochic acid A in vivo[1]. | 
| Name | Aristolochic acid B | 
| CAS | 475-80-9 | 
| Formula | C16H9NO6 | 
| Molar Mass | 311.25 | 
| Transport | Room temperature in continental US; may vary elsewhere. | 
| Storage | 4°C, protect from light *In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)  |