Nα-(2,4-Dinitrophenyl)-L-arginine CAS 1602-42-2
| CAS No. | 1602-42-2 |
| Molecular Formula | C12H16N6O6 |
| Molecular Weight | 340.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies Nα-(2,4-Dinitrophenyl)-L-arginine (CAS 1602-42-2), a certified reference material (molecular formula C12H16N6O6, MW 340.29 g/mol) for analytical method development and quality control.
The molecular framework of Nα-(2,4-Dinitrophenyl)-L-arginine (C12H16N6O6) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), Nα-(2,4-Dinitrophenyl)-L-arginine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H16N6O6 |
| Molecular Weight | 340.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 6 |
Related N Standards
- (2,4-Dinitrophenyl)arginine (CAS 785778-37-2)
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Recommended Standards
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