21764-56-7 L-Alanine-1-13C L-Alanine-1-13C,3,3,3-d3 CAS 21764-56-7
| CAS No. | 21764-56-7 |
| Molecular Formula | C2[13C]H7NO2 |
| Molecular Weight | 90.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 21764-56-7 L-Alanine-1-13C L-Alanine-1-13C,3,3,3-d3 is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
21764-56-7 L-Alanine-1-13C L-Alanine-1-13C,3,3,3-d3 (CAS 21764-56-7), molecular formula C2[13C]H7NO2 and molecular weight 90.09 g/mol, is a CATO reference standard with documented purity and traceability.
21764-56-7 L-Alanine-1-13C L-Alanine-1-13C,3,3,3-d3 (C2[13C]H7NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 21764-56-7 L-Alanine-1-13C L-Alanine-1-13C,3,3,3-d3 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 | C2[13C]H7NO2 |
| Molecular Weight | 90.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
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