Pyrazolo[1,5-a][1,3,5]triazine CAS 274-72-6
| CAS No. | 274-72-6 |
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Pyrazolo[1,5-a][1,3,5]triazine is closely related to a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Pyrazolo[1,5-a][1,3,5]triazine (CAS 274-72-6), molecular formula C5H4N4 and molecular weight 120.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H4N4, Pyrazolo[1,5-a][1,3,5]triazine contains a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 120.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Pyrazolo[1,5-a][1,3,5]triazine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4N4 |
| Molecular Weight | 120.11 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) | 6.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Pyrazolo Standards
- 1H-Pyrazolo[3,4-b]pyrazine (CAS 272-60-6)
- 1H-Pyrazolo[3,4-c]pyridazine (CAS 271-75-0)
- 1H-Pyrazolo[3,4-d]pyridazine (CAS 271-55-6)
- 2H-Pyrazolo[3,4-b]pyrazine (CAS 24977-38-6)
- 2H-Pyrazolo[3,4-d]pyrimidine (CAS 271-78-3)
- 2H-Pyrazolo[4,3-d]pyrimidine (CAS 272-55-9)
- 3H-Pyrazolo[3,4-d]pyrimidine (CAS 271-79-4)
- 4H-Pyrazolo[3,4-d]pyrimidine (CAS 271-76-1)
Recommended Standards
- Oxazolo[5,4-b]pyridine (CAS 273-62-1)
- Pyrimidin-2-ylcyanamide (CAS 4425-54-1)
- Oxazolo[4,5-c]pyridine (CAS 273-56-3)
- Tetrazolo[1,5-a]pyridine (CAS 274-87-3)
- Benzyl 2-Acetamido-2-deoxy-3,6-di-O-benzyl-β-D-glucopyranoside (CAS 62867-63-4)
- N1-(5-{[2-oxo-2-(2,3,4-trifluoroanilino)ethyl]thio}-1,3,4-thiadiazol-2-yl)-2-chloroacetamide (CAS 244639-93-8)
- 1-(4,5,6,7-Tetrahydro-2H-isoindol-2-yl)ethanone (CAS 51254-01-4)
- Salicylic Acid EP Impurity B (CAS 636-46-4)
- 2-(pyridin-4-yl)quinazolin-4-ol (CAS 6484-23-7)
- (R)-N-(4-Acetylthiazol-2-yl)-2-aminopropanamide (CAS 1344915-09-8)
- 6-Bromo-7-hydroxy-4-(hydroxymethyl)-2H-chromen-2-one (CAS 223420-41-5)
- 2-((2,4-Dioxothiazolidin-3-yl)methyl)benzonitrile (CAS 592540-22-2)
- 5-(2,3-Dimethylphenyl)pyrimidin-2-ol (CAS 1111108-60-1)
- Palmitoyl hexapeptide-6 (CAS 891498-01-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com