5-Formyl-N,N-dimethylisoxazole-3-carboxamide CAS 220780-30-3
| CAS No. | 220780-30-3 |
| Molecular Formula | C7H8N2O3 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Formyl-N,N-dimethylisoxazole-3-carboxamide (C7H8N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 168.15 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Formyl-N,N-dimethylisoxazole-3-carboxamide (CAS 220780-30-3) is a high-purity analytical reference standard with the molecular formula C7H8N2O3 and a molecular weight of 168.15 g/mol.
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), 5-Formyl-N,N-dimethylisoxazole-3-carboxamide 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 | C7H8N2O3 |
| Molecular Weight | 168.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Nitrogen Atoms | 2 |
Related Formyl Standards
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Recommended Standards
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- Bis(tetrabutylammonium) bis(1,3-dithiole-2-thione-4,5-dithiolato)platinum(II) (CAS 72688-91-6)
- 4-Methyl-2-((pyridin-4-ylmethyl)amino)pentan-1-ol (CAS 1248513-04-3)
- (2S)-4-Hydroxy-5-oxopyrrolidine-2-carboxylic acid (CAS 716361-98-7)
- 1-Phenyl-2-(pyrrolidin-1-ylimino)ethanone (CAS 24342-45-8)
- 2-(3-(Dimethylamino)piperidin-1-yl)acetic acid (CAS 1353986-08-9)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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