3,5-Difluoro-4-(1h-pyrazol-1-yl)benzaldehyde CAS 1342028-33-4
| CAS No. | 1342028-33-4 |
| Molecular Formula | C10H6F2N2O |
| Molecular Weight | 208.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,5-Difluoro-4-(1h-pyrazol-1-yl)benzaldehyde 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.
3,5-Difluoro-4-(1h-pyrazol-1-yl)benzaldehyde (CAS 1342028-33-4), molecular formula C10H6F2N2O and molecular weight 208.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H6F2N2O, 3,5-Difluoro-4-(1h-pyrazol-1-yl)benzaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 208.16 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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H6F2N2O |
| Molecular Weight | 208.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoro Standards
- 3,5-Difluoro-4-(1h-imidazol-1-yl)benzaldehyde (CAS 1342617-76-8)
- trans-4,4-difluoro-2-(methoxycarbonyl)cyclopentane-1-carboxylic acid (CAS 1608143-73-2)
- (S)-4,4-difluoro-1-glycylpyrrolidine-2-carboxylic acid (CAS 2136761-11-8)
- ethyl 4,4-difluoro-2-(methoxymethylene)-3-oxo-butanoate (CAS 490037-84-8)
- 2,2-Difluoro-3-hydroxy-3-(thiophen-2-yl)propanoic acid (CAS 1204235-07-3)
- 3,5-Difluoro-4-(methylsulfonyl)phenol (CAS 1447123-15-0)
- (R)-4,4-difluoro-3-(3-fluoro-1H-pyrazol-1-yl)butanoic acid (CAS 2227197-77-3)
- (S)-4,4-difluoro-3-(3-fluoro-1H-pyrazol-1-yl)butanoic acid (CAS 2227197-93-3)
Recommended Standards
- 3-(1-amino-2,2,2-trifluoroethyl)-2-fluoroaniline (CAS 1337383-68-2)
- 5-(2,4-Difluorophenyl)furan-2-carbaldehyde (CAS 127094-78-4)
- 2-(6-Fluoro-4-(trifluoromethyl)pyridin-2-yl)ethan-1-amine (CAS 1393530-93-2)
- (4-Fluoro-3-(trifluoromethyl)benzyl)hydrazine (CAS 1248660-30-1)
- N-(2-furylmethyl)-N-phenylamine (CAS 4439-56-9)
- 2-(Triethoxy-silyl)-ethylamine (CAS 45074-31-5)
- 3-Benzoyl-2,6-diphenyl-4H-pyran-4-one (CAS 1972603-35-2)
- 3-Hydroxyquinoxaline-2-carbaldehyde (CAS 49568-65-2)
- Lifitegrast Impurity 150 (CAS CATO-C4X-2409150)
- (R)-3-(2,2,2-trifluoroethoxy)pyrrolidine (CAS 1367422-19-2)
- 6-Chloro-7,8,9,10-tetrahydroazepino[2,1-b]quinazolin-12(6H)-one (CAS 61938-77-0)
- tert-Butyl (3R,4R)-4-methyl-3-(methylamino)piperidine-1-carboxylate (CAS 1312762-44-9)
- Ethyl 1-methyl-4-oxo-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylate (CAS 54738-81-7)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
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