| CAS No. | 30565-25-4 |
| Molecular Formula | C4H8N2O3 |
| Molecular Weight | 132.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), Hydantoin Impurity 4 (3-Methylhydantoic Acid) 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.
Hydantoin Impurity 4 (3-Methylhydantoic Acid) (CAS 30565-25-4) is a high-purity analytical reference standard with the molecular formula C4H8N2O3 and a molecular weight of 132.12 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, Hydantoin Impurity 4 (3-Methylhydantoic Acid) is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 132.12 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.
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.
| Molecular Formula | C4H8N2O3 |
| Molecular Weight | 132.12 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.) | 1965 |
| Nitrogen Atoms | 2 |