This certificate of analysis from Octagon Chemicals Limited provides testing results for a batch of Ipriflavone. The analysis shows the product meets standards for appearance, melting point, loss of drying, total impurities, heavy metals, particle size, and assay. The batch number is 20191012 and it was manufactured on October 12, 2019, with an expiration date of October 11, 2021. It is concluded the batch meets the company's quality standards and should be stored in a well-closed container at ambient temperature.

1. OCTAGON CHEMICALS LIMITED
CERTIFICATE OF ANALYSIS
TEL:0086-13071891945 FAX:0086-0535-6715688
Address: ROOM 5032,NO.9 YANAN ROAD,HANGZHOU,CHINA
sales@octagonchem.com
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Product name Ipriflavone (Cas 35212-22-7)
Batch No. 20191012 Mfg. date 2019.10.12
Rep. Date 2019.10.18 Exp. date 2021.10.11
Packaging 25kg/drum Batch quantity 320kg
Test Items Standards Results
Appearance White crystalline powder Comply
Melting point 116~119℃ 116~116.7℃
Loss of Drying ≤0.5% <0.15%
Total impurities ≤0.6% Comply
Heavy metals ≤20ppm Pass
Particle size 60mesh
Assay 98.5%-100.5% 99.42%
Conclusion It meets the Enterprise standard.
Storage Store in a well-closed container at ambient temperature
Prepared by: LI Reviewed by: WEI Released by: Zhang