- Min.Order :1 Gram
- Purity: 99%
- Payment Terms : L/C,T/T,Other
Keywords
Melatonine manufacture melatonin cas no 73-31-4 high quality Melatonine
Quick Details
- Appearance:
- Application:73-31-4
- PackAge:
- ProductionCapacity:10|Metric Ton|Month
- Storage:
- Transportation:
Superiority:
Details:
1.Specification:
Item |
Requirement |
Results |
|
Appearance |
White-cream to yellow powder |
White-cream powder |
|
Identity (UV) |
Conforms to standard |
Conforms to standard |
|
Melting point |
116~120°C |
118.0~118.5°C |
|
Assay(HPLC) |
100±0.5% |
99.72% |
|
Purity (HPLC, on anhydrous basis) |
≥99.5% |
99.78% |
|
Related Substance |
≤0.5% |
0.22% |
|
Residue on ignition |
≤20ppm |
<10ppm |
|
Heavy metals |
≤0.5% |
0.12% |
|
Loss on drying |
≤1000ppm |
<1000ppm |
|
Residue solvents ethanol |
||
|
Microbiological tests |
||
|
Bacteria |
≤1000cfu/g |
<1000 cfu/g |
|
Combined |
≤25cfu/g |
<25cfu/g |
|
Yeasts |
≤25cfu/g |
<25cfu/g |
|
E. coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
|
Conclusion |
Pass |
|
2.Function and usage:
3.Payment:
We recommend T/T or Escrow , or PayPal are also acceptable!
4.Delivery:
Express way as the following is:
(Shipping : TNT,Fedex,DHL,USP,EMS and so on)
5.Packaging:
6.Laboratory:
7.Our Company:
Our company advantage:
1.Small order is acceptable
2.Can provide sample for you
3.Have self-export rights
8.Exhibition:
|
The End |
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