2-Methyl-5-nitropyrimidin-4(3H)-one CAS 99893-01-3
| CAS No. | 99893-01-3 |
| Molecular Formula | C5H5N3O3 |
| Molecular Weight | 155.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2-Methyl-5-nitropyrimidin-4(3H)-one (CAS 99893-01-3), a certified reference material (molecular formula C5H5N3O3, MW 155.11 g/mol) for analytical method development and quality control.
Structurally, 2-Methyl-5-nitropyrimidin-4(3H)-one (C5H5N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 155.11 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 2-Methyl-5-nitropyrimidin-4(3H)-one 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 | C5H5N3O3 |
| Molecular Weight | 155.11 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 |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 3-Methyl-5-nitropyrimidin-4(3H)-one (CAS 17758-33-7)
- 6-Methyl-5-nitropyrimidin-4(3H)-one (CAS 25624-76-4)
- 2-Methyl-5-nitropyrimidin-4-amine (CAS 15579-59-6)
- 2-(5-Nitropyrimidin-2-yl)ethan-1-amine (CAS 944898-65-1)
- (2-Nitropyrimidin-5-yl)boronic acid (CAS 1436585-80-6)
- 2-Nitropyrimidin-5-ol (CAS 345642-85-5)
- 5-Nitropyrimidin-4-ol (CAS 3749-47-1)
- 2-Nitropyrimidin-5-amine (CAS 123770-64-9)
Recommended Standards
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- 3-Acetyl-4-hydroxy-1H-pyrrole-2,5-dione (CAS 72543-14-7)
- (4-Ethynylthiophen-2-yl)methanol (CAS 913828-76-9)
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- 2-Chloro-5-methoxy-4-methylaniline (CAS 133088-44-5)
- Stearic acid hydrazide (CAS 4130-54-5)
- 2,4,6-Trimethoxybenzothioamide (CAS 1097822-66-6)
- (R)-3-Amino-3-phenylpropan-1-ol hydrochloride (CAS 936499-92-2)
- 3-(6-(5-(1-Methyl-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridin-3-yl)pyridin-2-yl)pentanenitrile 2,2,2-trifluoroacetate (CAS 1956365-71-1)
- trans-tert-Butyl 3-amino-4-hydroxypyrrolidine-1-carboxylate hydrochloride (CAS 1609403-41-9)
- 3-((4-Aminophenyl)amino)propanoic acid (CAS 62155-79-7)
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