7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine CAS 39573-72-3
| CAS No. | 39573-72-3 |
| Molecular Formula | C11H8N4 |
| Molecular Weight | 196.21 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 7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 39573-72-3), a certified reference material (molecular formula C11H8N4, MW 196.21 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 196.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 7-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine 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 | C11H8N4 |
| Molecular Weight | 196.21 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.) | 1968 |
| Nitrogen Atoms | 4 |
Related Phenyl Standards
- 3-Phenyl-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1201943-50-1)
- 2-Phenyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 55643-77-1)
- 2-Phenyl-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 74537-94-3)
- 6-Phenyl-[1,2,4]triazolo[4,3-b]pyridazine (CAS 55054-92-7)
- 2-{[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}pyridine (CAS 320416-38-4)
- 3-Phenyl-[1,2,4]triazolo[4,3-a]pyridine (CAS 778-65-4)
- 832-81-5 3-Phenyl[1,2,3]triazolo[1,5-a]pyridine DTXSID80324635 (CAS 832-81-5)
- 2-(7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-yl)acetic acid (CAS 1017393-74-6)
Recommended Standards
- 6-Phenyl-7H-purine (CAS 6505-01-7)
- 8,9-Dihydro-5H-5,8-methanoimidazo[1,2-a]azepine-2,3-dicarbonitrile (CAS 88549-06-8)
- Cefonicid Impurity 2 (CAS 67146-22-9)
- 5-Hydroxyindole-3-acetic Acid-D5 (CAS 81587-11-3)
- 3-(2,5-Dimethylbenzoyl)phenyl acetate (CAS 890099-11-3)
- 3,3'-(1H,1'H-1lambda4-[2,2'-biimidazole]-1,1-diyl)dipropionic acid (CAS 1058181-49-9)
- n-(3-Amino-3-oxopropyl)-N-benzylcyclopropanecarboxamide (CAS 1071354-84-1)
- Ethyl 2-(difluoromethyl)-8-methylimidazo[1,2-a]pyridine-3-carboxylate (CAS 2514942-05-1)
- (2S,3R)-2-Amino-3-hydroxysuccinic acid hydrochloride (CAS 1848942-27-7)
- 2,3,4,5-Tetrahydro-5-oxo-3-thioxo-1,2,4-triazine-6-propanoic acid (CAS 7338-78-5)
- Acotiamide Impurity 26 (CAS 67370-98-3)
- Benzonatate Impurity 2 (CAS 105520-53-4)
- (2E)-2-({[4-(trifluoromethyl)phenyl]amino}methylidene)-hexahydropyrrolo[2,1-b][1,3]thiazole-3,5-dione (CAS 338960-08-0)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
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