5-Methyl-3-(phenylamino)-[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-one CAS 1147218-25-4
| CAS No. | 1147218-25-4 |
| Molecular Formula | C12H11N5O |
| Molecular Weight | 241.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methyl-3-(phenylamino)-[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-one (C12H11N5O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-Methyl-3-(phenylamino)-[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-one (CAS 1147218-25-4), a certified reference material (molecular formula C12H11N5O, MW 241.25 g/mol) for analytical method development and quality control.
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), 5-Methyl-3-(phenylamino)-[1,2,4]triazolo[4,3-a]pyrimidin-7(8H)-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 | C12H11N5O |
| Molecular Weight | 241.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 5 |
Related Methyl Standards
- Ethyl 3-(phenylamino)benzoate (CAS 1369265-53-1)
- 1-Methyl-3-(4-(phenylamino)phenyl)urea (CAS 22325-88-8)
- 2-(Phenylamino)-2-(p-tolyl)acetic acid (CAS 73842-43-0)
- 2-(Phenylamino)-5,6,7,8-tetrahydroquinazolin-4(1H)-one (CAS 97041-36-6)
- 3-phenyl-2-(phenylamino)propanoic acid (CAS 23052-05-3)
- Ethyl 2-(phenylamino)benzoate (CAS 23868-11-3)
- Ethyl 4-(phenylamino)benzoate (CAS 64678-66-6)
- 1-(2-Methyl-6-(phenylamino)pyridin-3-yl)propan-1-one (CAS 1355196-02-9)
Recommended Standards
- 5-(Furan-2-yl)-3-(4-methoxyphenyl)-1H-1,2,4-triazole (CAS 1146923-44-5)
- 3-(5-((1H-1,2,4-triazol-1-yl)methyl)-1H-1,2,4-triazol-3-yl)aniline (CAS 1171940-30-9)
- 5-((5-Amino-4-(methylamino)pyridin-2-yl)amino)pyrazine-2-carbonitrile (CAS 1137475-61-6)
- 2-[2-(4-Pyrazolyl)ethyl]isoindoline-1,3-dione (CAS 1195687-62-7)
- 5-((Methylthio)methyl)-3-oxo-2,3-dihydroisoxazole-4-carbonyl chloride (CAS 98406-62-3)
- 2-(Hydroxymethyl)-4-(2-methoxybenzoyl)-6-phenylpyridazin-3(2H)-one (CAS 832712-37-5)
- 2-(Difluoromethyl)-6-hydroxy-3-methylpyridine-5-carboxylic acid (CAS 1806878-37-4)
- Cefdinir Impurity 66 (CAS CATO-C4X-121066)
- Palbociclib Impurity 177 (CAS CATO-C4X-1125177)
- 4-O-Methylmannose (CAS 27552-11-0)
- (2R,3R,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-(((4-methoxyphenyl)diphenylmethoxy)methyl)tetrahydrofuran-3,4-diol (CAS 51600-11-4)
- 4-Iodo-1-propyl-1h-pyrazole-5-carboxylic acid (CAS 1354705-23-9)
- Indomethacin Sodium Trihydrate - API Standards (CAS 74252-25-8)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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