China (S)-equol factory and manufacturers

Certificate of Analysis

Product Name: (S)-Equol
CAS No.: 531-95-3 Reference: Enterprise Standard
Batch No.: YGIF25070201 Batch Quantity: 4.9kg
Manufacture Date: Jul. 02, 2025 Expiry Date: Jul. 01, 2027
Type: ☑ Manufacturer ☐ Trader ☐ Other

Test Results

Item Standard / Specification Test Result Test Method
Purity ≥99% 99.6% HPLC
Assay ≥98% 99.5% HPLC
Physical and Chemical Control:
Appearance White powder Complies Visual
Mesh Size 100% pass 100 mesh Complies Sieve
Melting Point 189-190℃ 189℃ USP<741>
Specific Rotation [α]D<(-)21° (c=5.0g/L, Ethanol) -21.1° USP<781>
Loss on Drying ≤1% 0.12% USP<731>
Solvent Residue (Ethanol) <200 ppm 84 ppm USP<467>
Heavy Metals Control:
Arsenic (As) ≤1 ppm Complies USP<233>
Lead (Pb) ≤1 ppm Complies USP<233>
Mercury (Hg) ≤1 ppm Complies USP<233>
Cadmium (Cd) ≤1 ppm Complies USP<233>
Total Heavy Metals ≤10 ppm Complies USP<233>
Microbiological Control:
E. coli Not detected Complies USP<62>
Staphylococcus aureus Not detected Complies USP<62>
Salmonella Not detected Complies USP<62>
Total Coliforms <100 CFU/g Complies AOAC
Total Yeast & Mold ≤100 CFU/g Complies USP<61>
Total Plate Count ≤1000 CFU/g Complies USP<61>

Additional Information

  • Packaging: Sterile bag packing, outer aluminum foil bag.
  • Storage: Store sealed at room temperature in a cool, dry place, protected from sunlight and moisture.
Inspector (QC): Zhang Yanming Approver (QA): Li Sulun
Date: 2025.8.6 Date: 2025.8.6
(Company Quality Control Stamp Applied)
Previous Article

Leave a Reply