L-Valine
SIGMA/94619 - BioUltra, ≥99.5% (NT)
Synonym: (S)-α-Aminoisovaleric acid; L-
CAS Number: 72-18-4
Empirical Formula (Hill Notation): C5H11NO2
Molecular Weight: 117.15
EC Number: 200-773-6
MDL Number: MFCD00064220
Linear Formula: (CH3)2CHCH(NH2)CO2H
Product Type: Chemical
| λ | 0.5 M in 1 M HCl |
| anion traces | chloride (Cl-): ≤50 mg/kg |
| sulfate (SO42-): ≤50 mg/kg | |
| assay | ≥99.5% (NT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤50 mg/kg | |
| Cd: ≤5 mg/kg | |
| Co: ≤5 mg/kg | |
| Cr: ≤5 mg/kg | |
| Cu: ≤5 mg/kg | |
| Fe: ≤5 mg/kg | |
| K: ≤50 mg/kg | |
| Li: ≤5 mg/kg | |
| Mg: ≤5 mg/kg | |
| Mn: ≤5 mg/kg | |
| Mo: ≤5 mg/kg | |
| Na: ≤100 mg/kg | |
| NH4+: ≤150 mg/kg | |
| Ni: ≤5 mg/kg | |
| Pb: ≤5 mg/kg | |
| Sr: ≤5 mg/kg | |
| Zn: ≤5 mg/kg | |
| color | white |
| form | powder or crystals |
| ign. residue | ≤0.05% |
| impurities | insoluble matter, passes filter test |
| ≤0.3% foreign amino acids | |
| InChI | 1S/C5H11NO2/c1-3(2)4(6)5( |
| InChI key | KZSNJWFQEVHDMF-BYPYZUCNSA |
| loss | ≤0.05% loss on drying, 20 °C (HV) |
| mp | 295-300 °C (subl.) (lit.) |
| optical activity | [α]20/D +27.0±0.5°, c = 5% in 5 M HCl |
| product line | BioUltra |
| Quality Level | 200  |
| SMILES string | CC(C)[C@H](N)C(O)=O |
| solubility | 1 M HCl: 0.5 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: 0.15 |
| λ: 280 nm Amax: 0.1 |
| Application: |
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| Other Notes: | Protects enzymes against heat inactivation; As spacer in isotachophoresis of serum proteins; Growth requirement of various microorganisms |
).| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.5% (NT) |
| mp | 295-300 °C (subl.) (lit.) |
| UNSPSC | 12352209 |