CAS number: 59-30-3
Molecular formula: C19H19N7O6
molecular weight: 441.4
Chemical structure:
Product name: | Folic acid | |
Shelf Life | Four years | |
Inspection Standard: | USP23 | |
Tests | Standards | Results |
Appearance | A yellow or orange crystalline powder | A yellow crystalline powder |
Identification | Ratio: A256/A365: 2.80-3.00 | 2.86 |
Water | Not more than 8.5% | 8% |
Residue on ignition | Not more than 0.3% | 0.2% |
Organic volatile impurities | Conforms | Conforms |
Assay( anhydrous) | 95.0~102.0% | 95.4% |
95.4% | ||
Conclusion : Complies with USP23 |