Vitamin B12 Cyanocobalamin (F)
Product Specifications
DFI-609618
DFI-609618
| Description | |
|---|---|
| Country of origin: | China |
| Description: | Dark red crystals or amorphous or crystalline red powder |
| Packaging: | 1kg Tin |
| Shelf life: | 60 months |
| Storage: | To guarantee the quality and properties of the product, Store in original air tight container protected from light |
| Specifications | |
| Acetone: | Max: 5000ppm, mg/kg |
| Assay: | 97 to 102% |
| Identification A: | A361 nm/ A547-559 nm: 3.15 ~ 3.45 |
| Identification A: | A361 nm/ A278 nm: 1.70 ~ 1.90 |
| Identification A: | A361 nm/ A550 nm: 3.15 ~ 3.40 |
| Identification A: | A361 nm/ A278 nm: 1.70 ~ 1.90 |
| Identification B: | Cobalt: Meets USP requirements |
| Identification B: | UHPLC: The principal peak in the chromatogram obtained with the test solution is similar in retention time and size to the principal peak in the chromatogram obtained with reference solution (C) |
| Identification C: | HPLC: The retention time of the major peak of the sample solution corresponds to that of the standard solution |
| Impurity F: | Max: 0.5% |
| Loss on drying: | Max: 10% |
| Related Substances: | Max: 0.5% |
| Related Substances: | Max: 1% |
| Related Substances: | Max: 0.5% |
| Related Substances: | Max: 1% |
| Related Substances: | Max: 0.5% |
| Related Substances: | Max: 1.5% |
| Related Substances: | Max: 2% |
| Related Substances: | Max: 0.5% |
| Related Substances: | Max: 0.7% |
| Total impurities: | Max: 3% |
| Unspecified Impurity: | Max: 0.2% |
| Microbiological | |
| Total aerobic microbial count: | Max: 1000cfu/g |
| Yeasts & Moulds: | Max: 100cfu/g |
Published Date: 2025-06-19 14:42:57
