CAS number: 38609-97-1
Molecular formula: C15H11NO3
molecular weight: 253.25
Chemical structure:
Test Items | Requirements | Results |
Appearance | Yellow or yellowish green crystalline powder | Complies |
Melting point | >280℃ | 280.1-281.6℃ |
Loss on drying | ≤0.5% | 0.14% |
Any single impurity | ≤0.5% | 0.19% |
Assay (含量) | ≥99% | 99.54% |
Heavy metals, lead | <10ppm | Complies |
Chlorides(氯化物) | <0.01% | Complies |