| Product Info. |
| |
| Melanotan ¢ò Acetate |
| CAS No. |
121062-08-6 |
| Molecular Formula |
C50H69N15O9 |
| Molecular Weight |
1024.2 |
| Storage |
2¡«8¡æ |
| Batch No. |
20070821 |
| Manufacturing Date |
2007-08-22 |
| Retest Date |
2009-08-21 |
| Sequence |
 |
| TEST |
ITEMS |
SPECIFICATION |
RESULT |
| 1 |
Appearence |
White powder |
White powder |
| 2 |
Solubility |
Soluble in water or 10% acetic acid at a concentration of ¡Ý1mg/ml to
give a clear,colorless
solution
|
Conforms |
| 3 |
Specific Optical Rotation |
-50.0¡«-60.0(c=0.5,10%HAc) |
-53.2¡ã |
| 4 |
Amino Acid Composition |
¡À10% of theoretical |
Conforms |
| 5 |
Peptide Purity(By HPLC) |
¡Ý97.0% by area integration |
99.41% |
| 6 |
Related Substance(By HPLC) |
Total Impurities(%)¡Ü3.0%
Largest Single Impurity(%)¡Ü1.0%
|
0.59%
0.16%
|
| 7 |
Acetate Content (By HPLC) |
¡Ü15.0% |
6.4% |
| 8 |
Water Content(Karl Fischer) |
¡Ü8.0% |
5.2% |
| 9 |
Bacterial Endotoxins |
¡Ü5IU/mg |
Conforms |
| 10 |
Assay(By Anhydrous, Acetic Acid-free) |
95.0¡«105.0% |
99.2% |