CAS number： 98-92-0
Molecular formula： C6H6N2O
molecular weight： 122.13
Chemical structure：
| Product Name | Nicotinamide | |
| Shelf Life | 3 years | |
| Test Items | Specification | Results of Analysis |
| Identification | ||
| Test A (IR) | The IR Absorption spectrum is concordant with the spectrum of reference standard. | Complies |
| Test B (UV) | Ratio:A245/A262, between 0.63 and 0.67 | |
| Assay (By HPLC) | Not less than 98.5% W/W and not more than 101.5% W/W of C6H6N2O, calculated on the dried basis. | 99.3% |
| Characteristics | White Crystalline Powder | Pass |
| Melting Range | 128~131℃ | 128.2~128.7℃ |
| Loss on Drying | Not more than 0.5% W/W | 0.41% |
| Residue on Ignition | Not more than 0.1% W/W | 0.08% |
| Heavy Metals | Not more than 0.003% | ＜0.003% |
| Readily Carbonizale Substances | Test as per USP | Complies |
| Organic Volatile Impurities | Test as per USP | Complies |
| Residual Solvents | Test as per USP | Complies |
| Conclusion | The material complies with Preseribed/stated standards of quality of USP32 | |
