Xuchang Shangke Chemical Co., Ltd. CERTIFICATE OF ANALYSIS Product Name
Melanotan-II Powder (Synthetic)
Batch No.
20181116
CAS No.
121062-08-6
Specification
In-house
Quantity
300g
Mfg. Date
2018.11.16
Date of Analysis
2018.11.17
Expiry Date
2020.11.17
Sequence: Ac-Nle-cyclo(Asp-His-DPhe-Arg-Trp-Lys)-NH2
Test
Specification
Result
Solubility
soluble in water
conform
MS
1024.2±1.0
1023.7
Related Substances
Unspecified impurity for each impurity: NMT1.0%
Purity（HPLC）
NLT 98.0%
99.7%
Acetic acid
NMT 12.0%
10.9%
Water Content(Karl Fischer）
NMT 10.0%
4.3%
Peptide Content(N%)
NLT80%
83.9%
0.15%(single largest impurity)
Conclusion: The test product complies with the requirements of specification. Analyst: Dai
Checker: LV
Q.C.Director: ZhangLi