7-Bromo-3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylic acid CAS 1848244-22-3
| CAS No. | 1848244-22-3 |
| Molecular Formula | C10H7BrN2O3 |
| Molecular Weight | 283.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 283.08 g/mol gives 7-Bromo-3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Bromo-3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylic acid (CAS 1848244-22-3) is a high-purity analytical reference standard with the molecular formula C10H7BrN2O3 and a molecular weight of 283.08 g/mol.
Structurally, 7-Bromo-3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylic acid (C10H7BrN2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. 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 283.08 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 7-Bromo-3-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-2-carboxylic 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 | C10H7BrN2O3 |
| Molecular Weight | 283.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
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- 4-Bromo-5-methyl-1-(4-nitrophenyl)-1H-1,2,3-triazole (CAS 1785764-40-0)
- 1-Benzyl-5-bromo-3-nitro-1H-1,2,4-triazole (CAS 919971-57-6)
- 7,8-Dihydro-5H-cyclohepta[b]pyridine-5,9(6H)-dione (CAS 39713-40-1)
- 4-(4-Chlorophenoxy)-2-(methylsulfanyl)quinazoline (CAS 477845-76-4)
- (2-(Hydroxymethyl)pyrrolidin-1-yl)(phenyl)methanone (CAS 72351-42-9)
- 1-(1-(Cyclopropylsulfonyl)azetidin-3-yl)piperazine (CAS 1490177-85-9)
- 1-Fluoro-4-methylcyclohexanecarboxylic acid (CAS 712353-87-2)
- (4-Chloro-3-(2-methylpiperidine-1-carbonyl)phenyl)boronic acid (CAS 1449132-33-5)
- Ethyl 5-chloro-2-(piperidin-1-yl)thiazole-4-carboxylate (CAS 1403564-61-3)
- 3-((Trimethylsilyl)ethynyl)aniline (CAS 110598-30-6)
- N-(2-methoxy-4-nitrophenyl)furan-2-carboxamide (CAS 110506-16-6)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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