Xuchang Shangke Chemical Co., Ltd. CERTIFICATE OF ANALYSIS Product Name CAS No. Quantity Date of Analysis
Alarelin Powder (Synthetic) 79561-22-1
Batch No. Specification
1kg
Mfg. Date
2019.01.16
Expiry Date
20190115 In-house 2019.01.15 2021.01.16
Sequence:Glp-His-Trp-Ser-Tyr-DAla-Leu-Arg-Pro-NHEt
Test Items
Specification
Test Results
Appearance
White or off-white powder
White powder
Solubility
Sparingly soluble in MeOH, soluble in water and 1% acetate
Sparingly soluble in MeOH,
acid
soluble in water and 1% acetate acid
The principal peak in the chromatogram obtained with the test HPLC
Amino acid analysis
solution is similar in retention time to principal peak in the Conforms chromatogram obtained with the reference solution. Arg
0.9-1.1
Arg
0.9
Ala
0.9-1.1
Ala
1.0
His
0.9-1.1
His
1.0
Leu
0.9-1.1
Leu
0.9
Pro
0.8-1.0
Pro
1.0
Tyr
0.9-1.1
Tyr
1.0
Glu
0.9-1.1
Glu
1.0
Ser
0.7-1.0
Ser
0.8
No more than the traces of the other amino acids are present.
No more than the traces of the other amino acids are present.
MS Related Substances
1167.3Âą1.0 Unspecified impurity for each impurity: NMT1.0%
1166.4 0.51%(single largest impurity)
purity
NLT 98.0%
99.26%
Acetic acid
NMT12.0%
8.3%
Water
NMT 7.0%
4.6%
Bacterial endotoxins
Less than 70IU/mg
Conforms
97.0%-103.0%
Assay
(anhydrous and acetic acid free subtance)
99.0%
Conclusion: The test product complies with the requirements of specification. Analyst: Dai
Checker: LV
Q.C.Director: ZhangLi