| CAS No. | 68261-19-8 |
| Molecular Formula | C3[13C]H7NO4 |
| Molecular Weight | 134.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of <SC>L</SC>-天冬氨酸-3-<SUP>13</SUP>C is closely related to a carbohydrate-derived structure, an amide group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
<SC>L</SC>-天冬氨酸-3-<SUP>13</SUP>C (CAS 68261-19-8), molecular formula C3[13C]H7NO4 and molecular weight 134.10 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carbohydrate-derived structure, an amide group, <SC>L</SC>-天冬氨酸-3-<SUP>13</SUP>C is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 134.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), <SC>L</SC>-天冬氨酸-3-<SUP>13</SUP>C 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.
| Molecular Formula | C3[13C]H7NO4 |
| Molecular Weight | 134.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |