2,4-dimethylimidazo[1,5-a]pyrimidine-8-carboxylic acid CAS 124166-45-6
| CAS No. | 124166-45-6 |
| Molecular Formula | C9H17N3O2 |
| Molecular Weight | 199.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2,4-dimethylimidazo[1,5-a]pyrimidine-8-carboxylic acid (CAS 124166-45-6) is a high-purity analytical reference standard with the molecular formula C9H17N3O2 and a molecular weight of 199.25 g/mol.
2,4-dimethylimidazo[1,5-a]pyrimidine-8-carboxylic acid (C9H17N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C9H17N3O2 |
| Molecular Weight | 199.25 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 3 |
Related dimethylimidazo Standards
- 5,7-dimethylimidazo[1,2-a]pyrimidine-2-carboxylic acid (CAS 111984-01-1)
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Recommended Standards
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- 2,3-Dichloro-5-(chloromethyl)pyridine 5264AE 54127-31-0 C6H4Cl3N (CAS 54127-31-0)
- 5-((Dimethylamino)methyl)pyrimidine-2,4(1H,3H)-dione hydrochloride (CAS 72920-06-0)
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