Category:
Protein/Antigen/Polypeptide
CAS NO:
79561-22-1
Standard:
In-house Standards,

Product Information |
Product name |
Alarelin Acetate 79561-22-1 |
CAS No. |
79561-22-1 |
Molecular Formula |
C56H78N16O12 |
Molecular Weight |
1167.34 |
Quality Standard |
98% up by HPLC |
Appearance |
White powder |
Sequence |
Glp-His-Trp-Ser-Tyr-DAla-Leu-Arg-Pro-NHEt |
COA of Alarelin Acetate |
Items |
Specifications |
Results |
Appearance |
White or off-white powder |
White powder |
Solubility |
Sparingly soluble in MeOH, soluble in water and 1% acetate acid |
Sparingly soluble in MeOH, soluble in water and 1% acetate acid |
HPLC |
The principal peak in the chromatogram obtained with the test solution is similar in retention time to principal peak in the chromatogram obtained with the reference solution. |
Conforms |
Amino acid analysis |
|
|
Arg |
0.9-1.1 |
1.0 |
Ala |
0.9-1.1 |
1.0 |
His |
0.9-1.1 |
1.0 |
Leu |
0.9-1.1 |
0.9 |
Pro |
0.8-1.0 |
1.0 |
Tyr |
0.9-1.1 |
1.0 |
Glu |
0.9-1.1 |
1.0 |
Ser |
0.7-1.0 |
0.7 |
|
|
No more than the traces of the other amino acids are present. |
|
MS |
1167.3±1.0 |
1167.4 |
Related Substances |
Unspecified impurity for each impurity: NMT1.0% |
0.51%(single largest impurity) |
Purity |
NLT 98.0% |
99.26% |
Acetic acid |
NMT12.0% |
8.6% |
Water |
NMT7.0% |
4.3% |
Specific Optical Rotation |
-46.0 °to -56.0°(anhydrous and acetic acid free subtance) |
-48.0 ° |
Bacterial endotoxins |
Less than 70IU/mg |
Conforms |
Assay |
97.0%-103.0% (anhydrous and acetic acid free subtance) |
99.4% |
Residual solvent |
|
|
Methanol |
NMT 3000ppm |
Conforms |
Acetonitrile |
NMT 410ppm |
Conforms |
Triethylamine |
NMT 320ppm |
Conforms |
Conclusion |
Meet the specification |
|
Usage |
