| CAS No. | 4226-18-0 |
| Molecular Formula | C5H9NO4 |
| Molecular Weight | 147.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
N-Me-Asp-OH (CAS 4226-18-0) is a high-purity analytical reference standard with the molecular formula C5H9NO4 and a molecular weight of 147.13 g/mol.
Owing to a carbohydrate-derived structure, an amide group, N-Me-Asp-OH is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 147.13 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.
As a certified reference material (CRM), N-Me-Asp-OH 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 | C5H9NO4 |
| Molecular Weight | 147.13 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.) | 1958 |
| Nitrogen Atoms | 1 |