L-Isoleucine 99% For Biochemistry
(2S,3S)-2-Amino-3-methylpentanoic acid
Product Code. |
01538 |
Grade |
For Biochemistry |
Purity |
99% |
CAS No. |
73-32-5 |
Molecular Formula |
C6H13NO2 |
Molecular Weight |
131.18 |
H.S.Code |
2922.49900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White powder |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
288 °C |
Solubility in water [% weight] |
Partially soluble in water |
Packaging
Specification
| Appearance | White powder |
| Assay (by HClO4 titration) | Min 99% |
| Specific optical rotation ([?]20/D; 40 g/L in 250 g/L HCl; on dried substance) | +40 to +43 deg |
| Specific optical rotation ([?]25/D; 40 g/L in 6M HCl; on dried substance) | +38.9 to +41.8 deg |
| pH (1% solution in CO2 free water) | 5.5 - 7.0 |
| Chloride (Cl) | Max 0.02% |
| Sulphate (SO4) | Max 0.03% |
| Iron (Fe) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.02% |
| Foreign amino acids | Max 0.5% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
Safety Information and Hazard Symbols