6-Oxo-5,6-dihydropyrimidine-4-carboxylic acid CAS 1860506-22-4
| CAS No. | 1860506-22-4 |
| Molecular Formula | C5H4N2O3 |
| Molecular Weight | 140.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-Oxo-5,6-dihydropyrimidine-4-carboxylic acid.
6-Oxo-5,6-dihydropyrimidine-4-carboxylic acid (CAS 1860506-22-4), molecular formula C5H4N2O3 and molecular weight 140.10 g/mol, is a CATO reference standard with documented purity and traceability.
6-Oxo-5,6-dihydropyrimidine-4-carboxylic acid (C5H4N2O3) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 6-Oxo-5,6-dihydropyrimidine-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 | C5H4N2O3 |
| Molecular Weight | 140.10 g/mol |
| 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 |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 6-Oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 65754-04-3)
- 2-Oxo-1,2-dihydropyrimidine-4-carboxamide (CAS 1823869-72-2)
- 2-Oxo-2,3-dihydropyrimidine-4-carbaldehyde oxime (CAS 7460-56-2)
- 2-Oxo-1,2-dihydropyrimidine-4-carboxylic Acid (CAS 89379-73-7)
- 1-Methyl-1,2-dihydropyrimidine-2-thione (CAS 73547-86-1)
- 2-Oxo-1,2-dihydropyrimidine-4-carbohydrazide (CAS 1148048-79-6)
- 4-Oxo-1,4-dihydropyrimidine-5-carbohydrazide (CAS 89323-13-7)
- 2-Oxo-1,2-dihydropyrimidine-5-carbaldehyde (CAS 166757-62-6)
Recommended Standards
- 3-(trifluoromethyl)cyclobutanol (CAS 1788054-83-0)
- 3-Hydroxy-5-nitropyridine (CAS 186593-26-0)
- (S)-1-cyclopropyl-2,2,2-trifluoroethan-1-ol (CAS 1568256-61-0)
- (1,2,2-Trifluorocyclobutyl)methanol (CAS 2092453-52-4)
- 1-(3-Hydroxyquinolin-5-yl)ethan-1-one (CAS 2089651-70-5)
- 5-((Tert-butoxycarbonyl)amino)-6,6,6-trifluorohexanoic acid (CAS 1258641-45-0)
- 5-Fluoro-2-(4-methylpiperazin-1-yl)benzaldehyde (CAS 865203-77-6)
- Ethyl 4-[3-(4-methylbenzamido)phenoxy]-2-(methylsulfanyl)pyrimidine-5-carboxylate (CAS 478065-05-3)
- 2-Cyclopentyl-6-(trifluoromethyl)morpholine (CAS 1375473-05-4)
- N-(2-Hydroxyphenyl)-1-phenylcyclopentane-1-carboxamide (CAS 1024338-98-4)
- 5,6-Dimethylbenzo[d]oxazol-2-amine (CAS 1030553-99-1)
- 3-chloro-5-(hydroxymethyl)benzene-1-sulfonamide (CAS 1379346-68-5)
- 2-(2-Ethylphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-28-9)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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