L-Isoleucine
Product Description
| Product | L-Isoleucine |
| CAS | 73-32-5 |
| Formula | CH3CH2CH(CH3)CH(NH2)COOH |
| Synonym | Acetic acid, amino-s-butyl-, L-Isoleucine |
Typical Product Specifications
| Practically Insoluble | in alcohol |
| Slightly Soluble | in water |
| Assay | 98.5 - 101.5% |
| Appearance | Crystalline Powder |
| Odor | Odorless |
| Iron | NMT 0.003% |
| Taste | Slightly sweet then bitter |
| pH | 5.5 - 7.0 |
| Sulphate | NMT 0.03% |
| Color | White |
| Sulphated Ash | NMT 0.3% |
| Chloride | NMT 0.05% |
| Total Heavy Metals | NMT 15 ppm |
| Arsenic | NMT 1 ppm |
| Mercury | NMT 0.1 ppm |
| Lead | NMT 3 ppm |
| Cadmium | NMT 1 ppm |
| Yeast and Mold | NMT 100 cfu/g |
| Total Plate Count | NMT 1,000 cfu/g |
| Specific Rotation | +38.9 deg. to + 41.8 deg. |
| E. Coli | Absent |
| Salmonella | absent |
| Loss on Drying | NMT 0.3% |
| Insolubility | in ether |
| Melting Point | 283-284 c (dec.) |
| Molecular weight | 131.17 |
| Chemical Structure | ![]() |
| Notes | L-Isoleucine is an essential branched-chain amino acid used in many high quality nutritional and dietary supplements. The metabolism of isoleucine is important to maintain healthy muscle tissue. |
| Class | Vitamins - Nutritional Ingredients - Amino Acids, Green Chemicals - Eco-Friendly |
| Function | Supplement, Nutritional Additive, Amino Acids |
| Industry | Food Chemicals, Nutrition, Pharmaceutical |

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