3-Amino-2-oxotetrahydropyrimidine-1(2H)-carboxamide CAS 123981-22-6
| CAS No. | 123981-22-6 |
| Molecular Formula | C5H10N4O2 |
| Molecular Weight | 158.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Amino-2-oxotetrahydropyrimidine-1(2H)-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.
3-Amino-2-oxotetrahydropyrimidine-1(2H)-carboxamide (CAS 123981-22-6) is a high-purity analytical reference standard with the molecular formula C5H10N4O2 and a molecular weight of 158.16 g/mol.
Based on its molecular formula C5H10N4O2, 3-Amino-2-oxotetrahydropyrimidine-1(2H)-carboxamide 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 158.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C5H10N4O2 |
| Molecular Weight | 158.16 g/mol |
| Appearance | 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 4 |
Related Amino Standards
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- 1-Amino-1H-indazole-3-carbonitrile (CAS 116589-59-4)
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- Zinc tungsten oxide, 99.9% (metals basis) (CAS 13597-56-3)
- trans-5-Fluoro-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester (CAS 2305079-74-5)
- 1,3-Bis(3-formylphenylethynyl)benzene (CAS 909103-57-7)
- N-(sec-Butyl)-2-methyl-1-oxo-1,2-dihydroisoquinoline-4-carboxamide (CAS 148581-40-2)
- 1,4-Bis(2-methylpyrimidin-5-yl)benzene (CAS 193886-29-2)
- 4-Methyl-2-oxo-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile (CAS 1190321-37-9)
- [2-31]-Semaglutide C (x TFA Salt) (CAS CATO-C4X-2226118)
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