| Customization: | Available |
|---|---|
| Powder: | Lyophilized Powder |
| Customized: | Customized |
| Quantity: | |
|---|---|
CAS 73-31-4
Melatonin
CAS 73-31-4
| TEST ITEMS | STANDARD LIMITS |
| Appearance | Off-white powder |
| Identification | |
| (A) Identify (IR) | The spectrum of the sample exhibits the same as that of the reference standard. |
| (B) Identify (UV) | Meets the requirements. Absorptivities, calculated on the dried basis, do not differ by more |
| (C) Identity (HPLC) | The retention time of the majorpeak of the Sample solution corresponds to that of the Standard solution. |
| Odor | Characteristics |
Assay | 99.0% of melatonin(C13H16N2 O2 ),calculated on the dried basis |
| Individual impurities | NMT 0.1% |
| Total impurities | NMT 1.0% |
| Loss on drying | NMT 0 5% |
| Residue on ignition | NMT 0.1% |
APPLICATION:
