Melatonin
Brand：Hebei Hengguan Chemical Co.,Ltd Category：API's Views： times Introduction：CAS No.:73-31-4
| ITEM | SPECIFICATION |
| APPEARANCE: |
WHITE-LIKE OR YELLOISH POWDER |
| IDENTITY(UV): | COMPLIES |
| MELTING POINT: | 116-120℃ |
| ASSAY(HPLC): | 100±1%MIN. |
| PURITY(HPLC): | 99.0%MIN. |
| RELATED SUBSTANCES: | 1.0%MAX |
| RESIDUE ON IGNITION: | 0.1%MAX |
| HEAVY METALS: | 20PPM MAX |
| LOSS ON DRYING: | 0.5%MAX |
| RESIDUAL SOLVENTS ETHANOL: | 1000PPM MAX |
|
MICROBIOLOGICAL TESTS BACTERIA: COMBINED MOLDS AND YEAST: E.COLI.: SALMONELLA: |
3000/G MAX 300/G MAX NEGATIVE NEGATIVE |