L-Isoleucine powder, CAS No.73-32-5, an isomer of L-Leucine, essential amino acid manufactured by fermentation from carbohydrate sources. No raw materials of animal origin are used in the production process. It is one of the branched chain amino acids (L-isoleucine, L-valine, and L-leucine).
| ITEM | STANDARD |
| Appearance | White crystals or crystalline Powder |
| Specific rotation | +38.6-+41.5 |
| PH | 5.5-7.0 |
| Loss on drying | ≤0.3% |
| Heavy metals(Pb) | ≤20ppm |
| Content | 98.5~101.0% |
| Iron(Fe) | ≤20ppm |
| Arsenic(As2O3) | ≤1ppm |
| Lead | ≤10ppm |
| Other Amino Acids | Chromatographically not detectable |
| Residue on ignition (Sulfated) | ≤0.2% |
| Organic Volatile impurities | Meets the requirements of pharmacopoeis |
Our MOQ for bulk food/feed ingredient is generally 500 kg. We also support mixed containers — combine L-Isoleucine with other food ingredients in one shipment to save on freight.
We provide free samples (100–500g) for quality testing before you place a bulk order. The buyer covers shipping costs only. Samples are typically dispatched within 2–3 business days.
Standard lead time is 7–15 days after order confirmation and payment. For stock items, delivery can be faster. We will confirm the exact timeline before you place the order.
You will receive the original COA (Certificate of Analysis), COO (Certificate of Origin), MSDS, TDS, and relevant certifications directly from the manufacturer. We guarantee full document authenticity and traceability.
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Whether you're sourcing bulk ingredients or mix container, contact our team for pricing, free samples, and technical support.