For B2B partners requiring detailed technical documentation. A comprehensive, batch-specific Certificate of Analysis (COA) will be provided promptly upon request.

Parameter	Specification	Test Method
Identity
Product Name	Xylo-oligosaccharides (XOS) Powder	-
CAS No.	87-99-0	-
Key Specifications
Assay (XOS on dry basis)	≥ 95.0%	HPLC
Appearance	White or off-white crystalline powder	Visual Inspection
Loss on Drying	≤ 6.0%	Karl Fischer
Xylose Content	≤ 10.0%	HPLC
PH Value (10% solution)	5.0 - 7.0	Potentiometry
Solubility	Freely soluble in water	-
Safety & Quality
Heavy Metals
- Lead (Pb)	≤ 0.5 mg/kg	ICP-MS
- Arsenic (As)	≤ 0.5 mg/kg	ICP-MS
- Cadmium (Cd)	≤ 0.5 mg/kg	ICP-MS
- Mercury (Hg)	≤ 0.1 mg/kg	ICP-MS
Total Plate Count	< 1000 CFU/g	USP <61>
Yeast & Mold	< 100 CFU/g	USP <61>
E. Coli	Negative	USP <62>
Salmonella	Negative	USP <62>
Certifications	ISO 22000, GMP (Certificates available upon request)	Audit Certification

Note: The specifications above define our standard Xylo-oligosaccharides (XOS) Powder product profile. We also provide customization options—such as adjustments to particle size distribution and packaging—to meet specific formulation requirements. Contact us to request the full Certificate of Analysis (COA) for detailed, batch-specific data and supporting compliance documentation.

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