Pre-sale COA is not the latest batch

Product Name:	Sodium Hyaluronate	Catalogue Number:	GR-254762087
Batch Size:	20KG	Lot Number:	20230105
CAS Number:	9067-32-7	Production Date:
Molecular Formula:	C14H22NNaO11	Report Date:	2023-01-05
Molecular Weight:	403.31	Expiry Date:
		Storage:	Room temperature, Protected from light and Sealed

Test Items	Specifieation	Results
Appearance	White powder or granules	Conforms
Glucuronic acid content (%)	≥45.0	47.08
Sodium hyaluronate content (%)	≥95.0	97.35
Average molecular weight	(1.5–2.0)*10^6 Dalton	1.6013*10^6 Dalton
Absorbance	≤0.25	0.069
Transparency (%)	≥99.0	100
Intrinsic viscosity value (dL/g)	23.64–29.59	24.88
Dry weight loss (%)	≤10.0	7.91
pH	5.0–8.5	6.54
Pb (Pb, mg/kg)	≤2	Conforms
As (As, mg/kg)	≤1	Conforms
Hg (Hg, mg/kg)	≤0.5	Conforms
Cd (Cd, mg/kg)	≤0.5	Conforms
Heavy metal (in lead, mg/kg)	≤10	Conforms
Protein content (%)	≤0.10	0.049
Total Colony Number (CFU/g)	≤100	<10
Fungi and yeasts (CFU/g)	≤50	<10
Escherichia Coli /g	ND	ND
Coliforms /g	ND	ND
Staphylococcus Aureus	ND	ND
Pseudomonas Aeruginosas	ND	ND

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Date:	Date:	Date: