| CAS No.: | 73-32-5;131598-62-4 |
|---|---|
| Formula: | C6h13no2 |
| EINECS: | 200-798-2 |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
CAS No: 73-32-5
Alias:2-Amino-3-methylvaleric acid; (2S)-2-Amino-3-methylpentanoic acid; (2S,3S)-(+)-Isoleucine; L-2-Amino-3-methylvaleric Acid; L-(+)-Isoleucine; (2S,3S)-2-amino-3-methyl-Pentanoic acid; (2S,3S)-a-Amino-b-methyl-n-valeric acid; (2S,3S)-a-Amino-b-methylvaleric acid; Ile; Isoleucina; iso-leucine; Isoleucine (USP); Isoleucine, L-; Isoleucinum; 6-Amino-5-ethylamino-1-methyluracil; Isoleucine; L-ISOLEUSINE; H-Ile-OH; (2S,3S)-2-Amino-3-methylpentanoic acid
| L-Isoleucine | CP2020 | EP11 | USP2023 |
| Assay | ≥98.5% | 98.5-101.0% | 98.5-101.5% |
| PH | 5.5-6.5 | / | 5.5-7.0 |
| Specific rotation[a]D20 | +38.9°-+41.8° | +40.0-+43.0 | / |
| Specific rotation[a]D25 | / | / | +38.9°-+41.8° |
| Transmittance(T430) | ≥98.0% | / | / |
| Appearance of solution | / | clear & colorless ≤BY6 | / |
| Chloride(Cl) | ≤0.02% | ≤0.02% | ≤0.05% |
| Ammonium(NH4) | ≤0.02% | ≤0.02% | / |
| Sulfate(SO4) | ≤0.02% | ≤0.03% | ≤0.03% |
| Iron(Fe) | ≤10PPM | ≤10PPM | ≤30PPM |
| Heavy metals(Pb) | ≤10PPM | / | / |
| Arsenic | ≤1PPM | / | / |
| Other amino acids | ≤0.5% | / |
individual impurities≤0.5% total impurities≤2.0% |
| Ninhydrin-positive substances | / | Impurities A and C at 570 nm≤ 0.3% each impruity ≤0.2% total ≤1.0% |
/ |
| Loss on drying | ≤0.20% | ≤0.5% | ≤0.30% |
| Residue on ignition | ≤0.10% | ≤0.10% | ≤0.30% |
| Endotoxin | <20EU/g | <20EU/g | <20EU/g |
| Total plate count | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g |
| Moulds & Yeasts | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g |
){kind=link}