1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid CAS 1286720-65-7
| CAS No. | 1286720-65-7 |
| Molecular Formula | C11H12N4O3 |
| Molecular Weight | 248.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1286720-65-7), a certified reference material (molecular formula C11H12N4O3, MW 248.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H12N4O3, 1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-methyl-1H-pyrazole-4-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 | C11H12N4O3 |
| Molecular Weight | 248.24 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 methanol, ethanol, DMSO |
| 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.) | 1990 |
| Nitrogen Atoms | 4 |
Related Dimethyl Standards
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Recommended Standards
- n'-(2-Cyano-5-methoxy-4-nitrophenyl)-n,n-dimethylformimidamide (CAS 1269400-04-5)
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- N-Hydroxy-3-((3-methyl-1,2,4-oxadiazol-5-yl)methoxy)benzimidamide (CAS 1255791-18-4)
- 1-(1-Tert-butyl-3,5-dimethyl-1h-pyrazol-4-yl)-2,2,2-trifluoroethan-1-one (CAS 1315366-32-5)
- (3,3'-Difluoro-[2,2'-bithiophene]-5,5'-diyl)bis(trimethylstannane) (CAS 1619967-09-7)
- 2-(5-Bromo-2-methoxyphenyl)ethanethioamide (CAS 913650-16-5)
- 4-Cyclopentylbutan-2-amine hydrochloride (CAS 1333774-53-0)
- Tris(triphenylphosphine)ruthenium(II) dichloride (CAS 15529-49-4)
- 5-(Dipropylamino)furan-2-carbaldehyde (CAS 919288-06-5)
- rel-3,3-Difluoro-6-(hydroxymethyl)tetrahydro-1H-pyrrolo[2,1-c][1,4]oxazin-4(3H)-one (CAS 2850327-07-8)
- 3-(4-Fluorophenyl)-1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1286230-78-1)
- 4-Bromo-2-chloro-1-isopropoxybenzene (CAS 201849-21-0)
- 3-(4-Ethylphenyl)-1-phenyl-1h-pyrazol-5-amine (CAS 956453-62-6)
- Tirzepatide Impurity 18 (CAS CATO-C4X-324018)
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