CAS number： 573-20-6
Molecular formula： C15H14O4
molecular weight： 258.2693
Chemical structure：
| Product Name | Vitamin K4 | |
| Shelf Life | 2 years | |
| Item | Specification | Result |
| Characteristics | White crystal powder | Conform |
| Melting point | 112-115℃ | 113.2-113.5℃ |
| Absorption Coefficient | 230-250 | 241.6 |
| UV Absorption | Max. Absorption at 285nm-322nm | Max. Absorption at 285nm-322nm |
| IR spectrum | Conformace with reference spectrum | Conform |
| Zinc | Conform to requirement | Conform |
| Residue on ignition | 0.1% Max | 0.06% |
| Assay | 99.0% Min C15H14O4 | 99.59% |
| Conclusion: Comply with CP2010. | ||
