4-Amino-6-hydroxy-2-methyl-5-nitrosopyrimidine CAS 2209-72-5
| CAS No. | 2209-72-5 |
| Molecular Formula | C5H6N4O2 |
| Molecular Weight | 154.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Amino-6-hydroxy-2-methyl-5-nitrosopyrimidine is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-Amino-6-hydroxy-2-methyl-5-nitrosopyrimidine (CAS 2209-72-5), a certified reference material (molecular formula C5H6N4O2, MW 154.13 g/mol) for analytical method development and quality control.
4-Amino-6-hydroxy-2-methyl-5-nitrosopyrimidine (C5H6N4O2) 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.
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), 4-Amino-6-hydroxy-2-methyl-5-nitrosopyrimidine 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 | C5H6N4O2 |
| Molecular Weight | 154.13 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Amino Standards
- N-(4-Amino-6-oxo-1,6-dihydropyridazin-3-yl)formamide (CAS 140662-77-7)
- Methyl 3-amino-1,2,4-triazine-6-carboxylate (CAS 1831085-80-3)
- 3-Amino-2-carbamoylpyrazine 1-oxide (CAS 54632-18-7)
- 3-Amino-5-oxo-4,5-dihydropyrazine-2-carboxamide (CAS 54632-10-9)
- 3-Amino-N-hydroxypyrazine-2-carboxamide (CAS 24719-09-3)
- 4-Amino-2-hydroxypyrimidine-5-carboxamide (CAS 98021-40-0)
- 4-Amino-N-hydroxypyrimidine-5-carboxamide (CAS 412341-31-2)
- 3-Amino-5-fluorobenzamide (CAS 1036757-40-0)
Recommended Standards
- 4-Acetyl-4H-1,2,4-triazole-3-carboxamide (CAS 62735-13-1)
- 4-Hydrazino-3-nitropyridine (CAS 33544-42-2)
- 3-Oxo-2,3-dihydropyridazine-4-carbohydrazide (CAS 2125-91-9)
- 4-Methyl-5,5,5-trifluoropent-1-en-4-ol (CAS 73893-33-1)
- Avarol (CAS 55303-98-5)
- Disperse Yellow 9 (CAS 6373-73-5)
- 2,8-dimethyl-[1,2,4]triazolo[1,5-a]pyridin-6-amine (CAS 1417637-80-9)
- (1S,4s)-4-(trifluoromethyl)cyclohexan-1-amine (CAS 1073266-01-9)
- Isopropyl 3-bromo-2-oxopentanoate (CAS 27227-92-5)
- 4-Bromo-2-(trifluoromethyl)quinoline-3-carboxylic acid (CAS 587886-11-1)
- 5-chloro-3-methyl-1H-pyrazol-4-amine (CAS 1064687-15-5)
- 3-Cyclohexyl-4-methyl-1h-pyrazol-5-amine (CAS 2138741-74-7)
- 6-Chloro-1-((4-chlorobenzyl)oxy)-2-phenyl-1H-benzo[d]imidazole (CAS 338978-65-7)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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