For our B2B partners, technical accuracy and consistent quality are paramount. Below you'll find our comprehensive product specifications, detailing the rigorous testing and quality standards we maintain for every batch of Citicoline. This transparency ensures you can formulate with confidence, knowing exactly what you're putting into your products.

Parameter	Specification	Test Method
Identity
Product Name	Citicoline (CDP-Choline)	-
CAS No.	987-78-0	-
Molecular Formula	C₁₄H₂₆N₄O₁₁P₂	-
Key Specifications
Purity (by HPLC)	≥ 98.0%	HPLC
Appearance	White to off-white crystalline powder	Visual Inspection
Loss on Drying	≤ 0.5%	Gravimetric method
Specific Rotation	+19.0° to +21.5°	Polarimetric method
Assay (on dried basis)	98.0% - 102.0%	HPLC
Microbiological Quality
Total Aerobic Microbial Count	≤ 1,000 CFU/g	USP <61>
Total Combined Yeasts and Molds	≤ 100 CFU/g	USP <61>
Escherichia coli	Absent in 1g	USP <62>
Salmonella spp.	Absent in 10g	USP <62>
Heavy Metals & Contaminants
Lead (Pb)	≤ 1.0 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
Packaging & Services
Minimum Order Quantity (MOQ)	1 kg	-
Standard Packaging	1 kg/bag, 5 kg/bag, 25 kg/drum	-
Shelf Life & Storage	24 months in a cool and dry place, protected from light, in original, unopened packaging	-
Custom Services	OEM, ODM, Private Label, Custom Blending	-

Note: The specifications above define our standard Citicoline (CDP-Choline) product profile. We also provide customization options—such as adjustments to purity levels and particle size distribution—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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