5-Acetyl-N,N,2-trimethyl-1h-imidazole-4-carboxamide CAS 1306603-89-3
| CAS No. | 1306603-89-3 |
| Molecular Formula | C9H13N3O2 |
| Molecular Weight | 195.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Acetyl-N,N,2-trimethyl-1h-imidazole-4-carboxamide (CAS 1306603-89-3), molecular formula C9H13N3O2 and molecular weight 195.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Acetyl-N,N,2-trimethyl-1h-imidazole-4-carboxamide (C9H13N3O2) 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 195.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H13N3O2 |
| Molecular Weight | 195.22 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
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- 3-(Pyridin-3-yl)-1h-indazole (CAS 1310207-72-7)
- N,N,2'-Trimethyl-[1,1'-biphenyl]-2-amine (CAS 111444-81-6)
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- 6-Iodo-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 302949-02-6)
- 2-(Difluoromethyl)-4-iodo-3-methoxypyridine-6-carbonyl chloride (CAS 1805513-81-8)
- 1-(2,6-Difluorophenyl)cyclopropanecarbonitrile (CAS 124276-65-9)
- 2-(1-(4-Chlorobenzyl)-2,5-dimethyl-1h-indol-3-yl)-N-(2-methoxypyridin-4-yl)-2-oxoacetamide (CAS 1006604-91-6)
- Tert-butyl (2,3-dibromopropyl)carbamate (CAS 1356492-89-1)
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