Product Info.
 
PT-141 Acetate
CAS No. 32780-32-8
Molecular Formula C50H68N14O10
Molecular Weight 1025.2
Storage 28
Batch No. 20080127
Manufacturing Date 2008-01-25
Retest Date 2010-01-24
Sequence CH3CO-Nle-[Asp-His-(d)-Phe-Arg-Trp-Lys]-COOH
TEST ITEMS SPECIFICATION RESULT
1 Assay(By HPLC) 95% ~105% 98.9%
2 Appearance White powder White powder
3 Solubility Soluble in water or 10% acetic acid to give a clear, colorless solution Conforms
4 Amino Acid Composition 10% of theoretical Conforms
5 Related Substance(By HPLC) Total Impurities(%) 3.0% Largest Single Impurity(%) 1.0% 1.1% 0.3%
6 Acetate Content(By HPLC) 15.0% 8.0%
7 Water Content(Karl Fischer) <8.0% 3.5%
8 Peptide content(N determination) 80.0% 87.8%
9 Bacterial Endotoxins < 5 EU/mg Conforms
10 Peptide Putity(By HPLC) 97% by area integration 98.9%