7-Phenyl-[1,2,4]triazolo[1,5-a]pyridin-5(3H)-one CAS 66066-67-9
| CAS No. | 66066-67-9 |
| Molecular Formula | C12H9N3O |
| Molecular Weight | 211.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-Phenyl-[1,2,4]triazolo[1,5-a]pyridin-5(3H)-one (CAS 66066-67-9), a certified reference material (molecular formula C12H9N3O, MW 211.22 g/mol) for analytical method development and quality control.
Structurally, 7-Phenyl-[1,2,4]triazolo[1,5-a]pyridin-5(3H)-one (C12H9N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 211.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 7-Phenyl-[1,2,4]triazolo[1,5-a]pyridin-5(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 | C12H9N3O |
| Molecular Weight | 211.22 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.) | 1975 |
| Nitrogen Atoms | 3 |
Related Phenyl Standards
- 7-Phenyl[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 103906-34-9)
- 5-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 103907-17-1)
- 4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)aniline (CAS 1204296-33-2)
- 3-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)phenol (CAS 1401319-10-5)
- 6-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 1780767-96-5)
- 4-(3H-[1,2,3]Triazolo[4,5-b]pyridin-3-yl)aniline (CAS 62052-08-8)
- 6-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine (CAS 320416-33-9)
- 3-Phenyl-[1,2,4]triazolo[4,3-a]pyridin-6-amine (CAS 1082594-15-7)
Recommended Standards
- 7-Methyl-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine (CAS 74136-38-2)
- 7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-4-one (CAS 71435-39-7)
- 6-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 21319-23-3)
- 8-Acetyl-1,3,8-triazaspiro[4.5]decane-2,4-dione (CAS 28936-91-6)
- 2-Bromo-4-chloro-6-nitroanisole (CAS 569688-62-6)
- 5-chloro-N-(2-nitrophenyl)pentanamide (CAS 1153346-83-8)
- 1-(bromomethyl)-4-nitro-2-(trifluoromethyl)benzene (CAS 694499-22-4)
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- 2-Methyl-3H-pyrazolo[1,5-b][1,2,4]triazole-7-carboxylic acid (CAS 208772-67-2)
- 2-Amino-1,7-dihydro-7-(phenylmethyl)-6H-purin-6-one (CAS 17495-12-4)
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