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	L-Leucine	-
CAS No.	61-90-5	-
Molecular Formula	C₆H₁₃NO₂	-
Key Specifications
Purity (HPLC)	≥ 99%	HPLC
Appearance	White Crystalline Powder	Visual Inspection
Specific Rotation	+14.9° to +17.3°	Polarimetric method
Loss on Drying	≤ 0.2%	Karl Fischer
Residue on Ignition	≤ 0.1%	Gravimetric
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
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 L-Leucine product profile. We also provide customization options 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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L-Leucine Powder

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