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Certificate of Analysis
Product Name: 3-Hydroxybutanoic acid calcium salt Catalogue Number: GR-22996905
Batch Size: 300KG Lot Number: 20230209
CAS Number: 586976-56-9 Production Date:
Molecular Formula: C8H14CaO6 Report Date: 2023-02-09
Molecular Weight: 246.27 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White powder Conforms
Assay ≥98.0% 99.23%
Loss on drying ≤1.0% 0.28%
Free BHB ≥82.0% 82.60%
Ca 16.0%~17.0% 16.18%
Heavy metals ≤10 ppm Conforms
Pb ≤3 ppm Conforms
Hg ≤0.1 ppm Conforms
Cd ≤1 ppm Conforms
As ≤1 ppm Conforms
Mesh 100% pass 20 mesh Conforms
Bulk density ≥ 0.3g/ml 0.64 g/ml
Tapped density ≥ 0.55g/ml 0.87 g/ml
Total plate count ≤1000 cfu/g Conforms
Yeast & Mold ≤100 cfu/g Conforms
E.Coli ND ND
Salmonella ND ND
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