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-Isoleucine Powder	-
CAS No.	73-32-5	-
Molecular Formula	C₆H₁₃NO₂	-
Key Specifications
Purity (HPLC)	≥ 99%	HPLC
Appearance	White to off-white crystalline powder	Visual Inspection
Particle Size	95% passing 80 mesh	Sieve analysis
Loss on Drying	≤ 0.2%	Gravimetric method
Specific Rotation	+38.9° to +41.8°	Polarimetric 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
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-Isoleucine 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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L-Isoleucine Powder

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