CAS NO: 84-80-0
Specification: USP27
| Product Name | Vitamin K1 |
| Quality Standard | USP27 |
| Testing Items | Critrion |
| ASSAY | 97.0-103.0% |
| Z Isomer | 21.0% Max |
| Refractive Index | 1.523-1.526 |
| Identification | A. The infrared absorption spectrum of it exhibits max, only at the same wavelength as that of USP Phytonadione RS. |
| B. The ultraviolet absorption spectrum of it exhibits Max and Min at the same wavelength as that of USP Phytonadione RS. And the respective absorptivities at the wavelength of max absorptivities at about 248nm. Don't differ by more than 3% | |
| Reaction | It is Neutral |
| Menadione | No purple or blue color occurs after dropping it to the solution of ammonia hydroxide and alcohol |