7-{[1,1'-biphenyl]-4-yl}-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfanyl]-[1,2,4]triazolo[1,5-a]pyrimidine CAS 478043-71-9
| CAS No. | 478043-71-9 |
| Molecular Formula | C21H15F3N4S |
| Molecular Weight | 412.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-{[1,1'-biphenyl]-4-yl}-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfanyl]-[1,2,4]triazolo[1,5-a]pyrimidine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-{[1,1'-biphenyl]-4-yl}-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfanyl]-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 478043-71-9), molecular formula C21H15F3N4S and molecular weight 412.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H15F3N4S, 7-{[1,1'-biphenyl]-4-yl}-2-[(3,4,4-trifluorobut-3-en-1-yl)sulfanyl]-[1,2,4]triazolo[1,5-a]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 412.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H15F3N4S |
| Molecular Weight | 412.43 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related biphenyl Standards
- 1-(4-([1,1'-Biphenyl]-4-yl)thiazol-2-yl)-4-(4-fluorophenyl)-1H-pyrazol-5-amine (CAS 956182-74-4)
- N1-([1,1'-Biphenyl]-4-yl)-N4,N4-diphenylbenzene-1,4-diamine (CAS 880800-19-1)
- 3-([1,1'-Biphenyl]-4-yl)-1-(4-((5-ethyl-4,5-dihydrothiazol-2-yl)amino)phenyl)prop-2-en-1-one (CAS 869714-67-0)
- [1,1'-Biphenyl]-3-yltriphenylsilane (CAS 13311-13-2)
- [1,1'-Biphenyl]-4-yltriphenylsilane (CAS 3172-34-7)
- 3-([1,1'-Biphenyl]-4-yl)-2-(3-chlorophenyl)-5-phenylisoxazolidine (CAS 629643-19-2)
- 1-((2-([1,1'-Biphenyl]-4-yl)imidazo[1,2-a]pyridin-3-yl)methyl)piperidine-4-carboxylic acid (CAS 881040-45-5)
- 2-([1,1'-Biphenyl]-4-yl)-N-((1-isonicotinoylpiperidin-4-yl)methyl)acetamide (CAS 1396794-80-1)
Recommended Standards
- 5-(4-Methoxybenzenesulfonyl)-8-(trifluoromethyl)-1H,2H,3H,3aH,4H,5H-pyrrolo[1,2-a]quinoxaline (CAS 860786-88-5)
- Bruceine E (CAS 21586-90-3)
- 5-((4-Methoxyphenyl)sulfonyl)-7-(trifluoromethyl)-1,2,3,3a,4,5-hexahydropyrrolo[1,2-a]quinoxaline (CAS 860785-72-4)
- N-(1-((3-(trifluoromethyl)phenyl)sulfonyl)piperidin-4-yl)benzamide (CAS 860788-10-9)
- Tert-butyl 2-((4-(methylcarbamoyl)-1H-1,2,3-triazol-1-yl)methyl)pyrrolidine-1-carboxylate (CAS 1443980-23-1)
- 3-methoxypyrazine-2-sulfonamide (CAS 89391-77-5)
- (R)-Isoproterenol formate (CAS 51-31-0(free base))
- Pyridoxine /Vitamin B6 Impurity 63 HCl (CAS 102694-13-3(free base))
- 5-(Naphthalen-1-yl)-1h-pyrazole-4-carboxylic acid (CAS 226931-55-1)
- 6-Aminobenzo[a]pyrene (CAS 7428-83-3)
- 1105675-60-2 8737AC C12H18N2O3 tert-Butyl (5-methoxypyridin-3-yl)methylcarbamate (CAS 1105675-60-2)
- 7-Ethyl-1-(2-morpholino-2-oxoethyl)-1H-indole-3-carbaldehyde (CAS 593237-23-1)
- 3-(tert-Butyl)-4-cyclopropoxy-2-isopropylpyridine (CAS 1243463-43-5)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
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