79561-22-1 Alarelin High Quality Purity Alarelin Powder CAS 79561-22-1 factory supply Alarelin
Professional manufacturer in China
High quality with GMP grade
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TEST | SPECIFICATION | RESULT | |
Appearance | White powder | Conform | |
Solubility | Soluble in water or 1% acetic acid | Conform | |
Identity by HPLC | The retention is same with the reference substance | Conform | |
Acetate Content(By HPLC) | ≦7.5% | 6.80% | |
Peptide Purity (By HPLC) | ≧98.0% by area integration | 99.60% | |
Related Substance(By HPLC) | Total Impurities(%)≦2.0% | 0.40% | |
Largest Single Impurity(%)≦0.5% | 0.34% | ||
Water Content(Karl Fischer) | ≦7% | 4.8% | |
Organic solvent residue | acetonitrile≦0.041% | 0.032% | |
dichloromethane≦0.06% | 0.041% | ||
N,N-Dimethylformamide≦0.088% | 0.054% | ||
Specific Optical Rotation | —46.0°~—56.0° | -51.4° | |
Amino Acid Composition | |||
Arg:0.9~1.1 | 0.96 | ||
Ser:0.7~1.0 | 0.81 | ||
Glu:0.9~1.1 | 0.93 | ||
Leu:0.9~1.1 | 0.95 | ||
Tyr:0.9~1.1 | 0.96 | ||
Pro:0.8~1.0 | 0.93 | ||
His:0.9~1.1 | 0.97 | ||
Assay | 98.0%~102.0%(By Anhydrous, Acetic Acid-free ) | 99.40% |
All products are for research use only, not for direct human use.
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