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	Alpha GPC (Alpha-Glycerylphosphorylcholine)	-
CAS No.	28319-77-9	-
Molecular Formula	C₈H₂₀NO₆P	-
Key Specifications
Assay (HPLC)	99% Min.	HPLC
Appearance	White to off-white crystalline powder	Visual Inspection
Particle Size	95% passing 80 mesh	Sieve analysis
Loss on Drying	≤ 1.0%	Gravimetric method, 105°C to constant weight
pH (10% solution)	5.0 - 7.0	Potentiometric method
Safety & Quality
Heavy Metals
- Lead (Pb)	≤ 3.0 mg/kg	ICP-MS
- Arsenic (As)	≤ 3.0 mg/kg	ICP-MS
- Cadmium (Cd)	≤ 1.0 mg/kg	ICP-MS
- Mercury (Hg)	≤ 0.1 mg/kg	ICP-MS
Residue on Ignition	≤ 0.1%	Gravimetric method at 800°C
Solvent Residues	Meets requirements	GC-MS according to USP <467>
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 9001, GMP (Certificates available upon request)	Audit Certification

Note: The specifications above define our standard Alpha GPC product profile. We also provide customization options—such as adjustments to purity and particle size—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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