2-(4-Methyl-2,5-dioxo-4-phenylimidazolidin-1-yl)acetic acid CAS 726-88-5
| CAS No. | 726-88-5 |
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(4-Methyl-2,5-dioxo-4-phenylimidazolidin-1-yl)acetic acid (C12H12N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 248.23 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(4-Methyl-2,5-dioxo-4-phenylimidazolidin-1-yl)acetic acid (CAS 726-88-5), molecular formula C12H12N2O4 and molecular weight 248.23 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-(4-Methyl-2,5-dioxo-4-phenylimidazolidin-1-yl)acetic 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.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O4 |
| Molecular Weight | 248.23 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 | 2 |
Related Methyl Standards
- Ethyl 2-(2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)acetate (CAS 105391-90-0)
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- 2-(1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl)-N-methoxy-N-methylacetamide (CAS 1090469-33-2)
- 4-(2,4-Dioxo-1,4-dihydroquinazolin-3(2h)-yl)butanoic acid (CAS 115948-87-3)
- 2-(2,4-Dioxo-1,2,3,4-tetrahydroquinazolin-3-yl)butanoic acid (CAS 115948-88-4)
- 1212421-96-9 (2S)-2-(1,3-Dioxo-1,3-dihydro-2H-pyrrolo[3,4-c]pyridin-2-yl)-3-methylbutanoic acid MFCD11108870 (CAS 1212421-96-9)
- 1217809-77-2 3-[(3S)-2,5-Dioxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepin-3-yl]propanoic acid MFCD11108903 (CAS 1217809-77-2)
- (R)-3-(2,5-Dioxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-3-yl)propanoic acid (CAS 1630765-36-4)
Recommended Standards
- 2-(4-Ethoxy-1-oxophthalazin-2(1H)-yl)acetic acid (CAS 887694-42-0)
- 2-(4-Nitrobutyl)isoindoline-1,3-dione (CAS 2518-82-3)
- 2-(4-Amino-1,3-dioxoisoindolin-2-yl)ethyl acetate (CAS 519019-57-9)
- 2-(5-Hydroxy-4,7-dimethyl-2-oxo-2h-chromen-3-yl)acetic acid (CAS 873414-53-0)
- (3-Bromo-5-fluorophenyl)methanamine (CAS 1094555-68-6)
- Z-Gly-Gly-OSu (CAS 32943-08-1)
- 5-Aminothiophene-3-carboxylic acid (CAS 116539-01-6)
- 2-(4-Fluorophenyl)-N-((5-(thiophen-3-yl)pyridin-3-yl)methyl)acetamide (CAS 1787878-67-4)
- 2-((5-Nitro-1H-benzo[d]imidazol-2-yl)thio)ethyl acetate (CAS 89029-01-6)
- 4-Cyclohexyl-N-((6-nitrobenzo[d][1,3]dioxol-5-yl)methyl)aniline (CAS 306730-59-6)
- (Z)-3-Ethyl-5-((5-iodofuran-2-yl)methylene)-2-thioxothiazolidin-4-one (CAS 330855-07-7)
- 4-Bromo-2-phenylpyrimidine (CAS 1086381-99-8)
- Bedaquiline Impurity 28 (CAS CATO-C4X-116728)
- D-[Ser]11-Semaglutide (CAS CATO-CPTD788629)
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