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	Fructo-oligosaccharides Powder	-
CAS No.	308066-66-2	-
Molecular Formula	(C₆H₁₀O₅)ₙ	-
Key Specifications
Appearance	White to Off-White Powder	Visual Inspection
Assay (FOS Content)	≥ 95.0%	HPLC
Loss on Drying	≤ 5.0%	Gravimetric method
Safety & Quality
Heavy Metals
- Lead (Pb)	≤ 1.0 mg/kg	ICP-MS
- Arsenic (As)	≤ 0.5 mg/kg	ICP-MS
- Cadmium (Cd)	≤ 0.5 mg/kg	ICP-MS
Total Plate Count	< 3,000 CFU/g	USP <61>
Yeast & Mold	< 100 CFU/g	USP <61>
E. Coli	Negative	USP <62>
Salmonella	Negative	USP <62>
Certifications	ISO 9001, GMP (Certificates available upon request)	Audit Certification

Note: The specifications above define our standard FOS 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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