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Gonadoliberin Luteinizing Hormone ReleasingFactor 9034-40-6
CAS:9034-40-6
ITEMS |
SPECIFICATION |
Appearance |
White or off-white powder |
Solubility |
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 |
Amino acid analysis |
Arg 0.9-1.1 |
|
Gly 1.8-2.2 |
|
His 0.9-1.1 |
|
Leu 0.9-1.1 |
|
Pro 0.8-1.0 |
|
Tyr 0.9-1.1 |
|
Glu 0.9-1.1 |
|
Ser 0.7-1.0 |
|
No more than the traces of the other amino acid are present |
MS |
1182.3±1.0 |
Related Substances |
Unspecified impurity |
|
For each impurity: NMT 1.0% |
|
Total impurity: NMT 2.0% |
Acetic acid |
NMT 12.0% |
Water |
NMT 5.0% |
Baceterial endotoxins |
Less than16.7IU/mg |
Residual solvent |
|
Methanol |
NMT 3000ppm |
Acetonitrile |
NMT 410ppm |
Triethylamine |
NMT 320ppm |
Assay |
97.0%-103.0% |
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