Product Info.
 
Melanotan Acetate
CAS No. 121062-08-6
Molecular Formula C50H69N15O9
Molecular Weight 1024.2
Storage 28
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 1mg/ml to give a clear,colorless solution Conforms
3 Specific Optical Rotation -50.0-60.0(c=0.5,10%HAc) -53.2
4 Amino Acid Composition 10% of theoretical Conforms
5 Peptide Purity(By HPLC) 97.0% by area integration 99.41%
6 Related Substance(By HPLC) Total Impurities(%)3.0% Largest Single Impurity(%)1.0% 0.59% 0.16%
7 Acetate Content (By HPLC) 15.0% 6.4%
8 Water Content(Karl Fischer) 8.0% 5.2%
9 Bacterial Endotoxins 5IU/mg Conforms
10 Assay(By Anhydrous, Acetic Acid-free) 95.0105.0% 99.2%