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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