5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide CAS 849475-71-4
| CAS No. | 849475-71-4 |
| Molecular Formula | C9H7N3O3S |
| Molecular Weight | 237.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H7N3O3S, 5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.24 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).
5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide (CAS 849475-71-4) is a high-purity analytical reference standard with the molecular formula C9H7N3O3S and a molecular weight of 237.24 g/mol.
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), 5-Hydroxy-6-oxo-2-(thiophen-2-yl)-1,6-dihydropyrimidine-4-carboxamide 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 | C9H7N3O3S |
| Molecular Weight | 237.24 g/mol |
| 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.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
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Recommended Standards
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- N-(2-Amino-4-methoxyphenyl)propanamide (CAS 67169-89-5)
- 5-Ethynyl-1,3-benzenedicarboxylic acid (CAS 432025-97-3)
- Methyl naphthalen-1-ylglycinate (CAS 170919-33-2)
- 2,4-Dichloro-3-nitrobenzaldehyde (CAS 1804897-06-0)
- (1S)-1-(1-benzofuran-3-yl)ethan-1-ol (CAS 343614-13-1)
- 4-Benzyloxybenzotrifluoride (CAS 70097-65-3)
- 4-((tert-Butoxycarbonyl)amino)-2-fluorobutanoic acid (CAS 2167670-48-4)
- Methyl 3-chloro-1H-pyrrole-2-carboxylate (CAS 226410-00-0)
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