L-Arginine
SIGMA/11009 - BioUltra, ≥99.5% (NT)
Synonym: (S)
CAS Number: 74-79-3
Empirical Formula (Hill Notation): C6H14N4O2
Molecular Weight: 174.20
EC Number: 200-811-1
MDL Number: MFCD00002635
Linear Formula: H2NC(=NH)NH(CH2)3CH(NH2)CO2H
Product Type: Chemical
| λ | 0.5 M in H2O |
| anion traces | chloride (Cl-): ≤100 mg/kg |
| sulfate (SO42-): ≤100 mg/kg | |
| application(s) | peptide synthesis |
| assay | ≥99.5% (NT) |
| cation traces | Al: ≤5 mg/kg |
| As: ≤0.1 mg/kg | |
| Ba: ≤5 mg/kg | |
| Bi: ≤5 mg/kg | |
| Ca: ≤10 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: ≤50 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% (as SO4) |
| impurities | insoluble matter, passes filter test |
| ≤0.3% foreign amino acids | |
| InChI | 1S/C6H14N4O2/c7-4(5(11)12 |
| InChI key | ODKSFYDXXFIFQN-BYPYZUCNSA |
| loss | ≤0.1% loss on drying, 20 °C (HV) |
| mp | 222 °C (dec.) (lit.) |
| optical activity | [α]20/D +27.0±0.5°, c = 5% in 5 M HCl |
| pH | 10.5-12.0 (25 °C, 0.5 M in H2O) |
| product line | BioUltra |
| Quality Level | 100  |
| SMILES string | N[C@@H](CCCNC(N)=N)C(O)=O |
| solubility | H2O: 0.5 M at 20 °C, clear, colorless |
| UV absorption | λ: 260 nm Amax: ≤0.2 |
| λ: 280 nm Amax: ≤0.1 |
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