5-Pyrimidinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo- CAS 168428-09-9
| CAS No. | 168428-09-9 |
| Molecular Formula | C6H6N2O3 |
| Molecular Weight | 154.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 154.12 g/mol gives 5-Pyrimidinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo- distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Pyrimidinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo- (CAS 168428-09-9) is a high-purity analytical reference standard with the molecular formula C6H6N2O3 and a molecular weight of 154.12 g/mol.
The molecular framework of 5-Pyrimidinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo- (C6H6N2O3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 5-Pyrimidinecarboxylic acid, 1,2-dihydro-1-methyl-2-oxo- 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 | C6H6N2O3 |
| Molecular Weight | 154.12 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.) | 2005 |
| Nitrogen Atoms | 2 |
Related Pyrimidinecarboxylic Standards
- 34415-10-6 4-Pyrimidinecarboxylic acid, 1,6-dihydro-2-methyl-6-oxo- (9CI) 4-Pyrimidinecarboxylic acid, 6-hydroxy-2-methyl- 2-Methylorotic acid NSC 58348 (CAS 34415-10-6)
- 4-Ethyl-5-pyrimidinecarboxylic acid (CAS 1147710-24-4)
- 72790-16-0 2-Ethyl-5-pyrimidinecarboxylic acid MFCD09054863 (CAS 72790-16-0)
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- 5-Pyrimidinecarboxylic acid, 2-[9-(2-propyn-1-yl)-3,9-diazaspiro[5.5]undec-3-yl]-, hydrochloride (1:1) (CAS 2363174-61-0)
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Recommended Standards
- Dihydro-1H-pyrrolo[1,2-c]imidazole-1,3,5(2H,6H)-trione (CAS 164015-09-2)
- (3-Nitropyridin-4-yl)methanol (CAS 1706430-22-9)
- Ticagrelor Impurity 162 (CAS 16292-86-7)
- (2-Nitropyridin-3-yl)methanol (CAS 1706436-74-9)
- 4-(3,4,5-Trifluorophenyl)pyrrolidine-3-carboxylic acid (CAS 1408356-97-7)
- 2,2-Dimethyl-3-phenylpropan-1-amine hydrochloride (CAS 95141-78-9)
- Ethyl 6,8-dimethyl-1-oxo-4-sulfanyl-1h,2h-pyrrolo[1,2-d][1,2,4]triazine-7-carboxylate (CAS 1221722-36-6)
- 1-Chloro-6-(methylsulfonyl)hexane (CAS 1248380-44-0)
- N-(5-Fluoro-2-methylphenyl)-4-methylbenzenesulfonamide (CAS 876555-60-1)
- N-(2-(4-methylpiperazin-1-yl)-5-(trifluoromethyl)phenyl)hydroxylamine (CAS 866133-93-9)
- 2-(3-Aminopropyl)-3a,4,7,7a-tetrahydro-1h-isoindole-1,3(2h)-dione (CAS 54052-98-1)
- 0324AD 1185298-52-5 C8H10ClN5O [2-(3-Pyrazin-2-yl-1,2,4-oxadiazol-5-yl)ethyl]-amine hydrochloride (CAS 1185298-52-5)
- 2-Benzyl-2-azaspiro[3.5]nonan-7-one (CAS 203661-65-8)
- Polymyxin B nonapeptide (CAS 86408-36-8)
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