Xuchang Shangke Chemical Co., Ltd. CERTIFICATE OF ANALYSIS 20181125
Product Name
Thymosin beta 4 Powder (Synthetic)
Batch No.
CAS No.
77591-33-4
Specification In-house
Quantity
300g
Mfg. Date
2018.11.25
Date of Analysis
2018.11.26
Expiry Date
2020.11.26
Sequence: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp-Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Ly Pro-Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser
s-Asn-
Test
Specification
Result
Appearance
White or off-white powder
White powder
Solubility
soluble in water
conforms
MS
4963.5±1.0
conforms
Related Substances
Unspecified impurity for each impurity: NMT1.0%
Purity(HPLC)
NLT 98%
063%(single largest impurity) 99.2%
Acetic acid
NMT 10.0%
3.6%
Water Content(Karl Fischer）
NMT 7.0%
5.1%
Peptide Content(N%)
NLT 80%
90.1%
Bacterial Endotoxins
Less than 50IU/mg
conforms
Assay(Anhydrousacetic acid-free)
95~105%
98.6%
Conclusion: The test product complies with the requirements of specification. Analyst: Dai
Checker: LV
Q.C.Director: ZhangLi