4,4'-(2,3-Difluoro-1,4-phenylene)bis(1H-pyrazole) CAS 2044270-04-2
| CAS No. | 2044270-04-2 |
| Molecular Formula | C12H8F2N4 |
| Molecular Weight | 246.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 4,4'-(2,3-Difluoro-1,4-phenylene)bis(1H-pyrazole) 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.
CATO supplies 4,4'-(2,3-Difluoro-1,4-phenylene)bis(1H-pyrazole) (CAS 2044270-04-2), a certified reference material (molecular formula C12H8F2N4, MW 246.22 g/mol) for analytical method development and quality control.
4,4'-(2,3-Difluoro-1,4-phenylene)bis(1H-pyrazole) (C12H8F2N4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C12H8F2N4 |
| Molecular Weight | 246.22 g/mol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Difluoro Standards
- 1-(4,6-Difluoro-1,3,5-triazin-2-yl)-2-methyl-2H-isoindole (CAS 122855-66-7)
- 4,4'-(2,5-Difluoro-1,4-phenylene)bis(1H-pyrazole) (CAS 2044270-06-4)
- Ethyl 2,6-difluoro-3-(methoxymethoxy)benzoate (CAS 1384476-81-6)
- 3,4-Difluoro-3,5-dimethylbenzophenone (CAS 845781-09-1)
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- 3,5-Difluoro-3,4-dimethylbenzophenone (CAS 844885-21-8)
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Recommended Standards
- 4-(Methoxycarbonyl)-5-phenylfuran-3-carboxylic acid (CAS 264120-98-1)
- 4-(Carboxymethyl)-5-(pyridin-2-yl)-1H-pyrrole-2-carboxylic acid (CAS 27590-55-2)
- 4,5-Dichloro-3-piperidinoylisothiazole (CAS 56504-52-0)
- 4-(5-Methylisoxazole-3-carboxamido)benzoic acid (CAS 646530-39-4)
- (S)-2-(2-((1-Nitroacridin-9-yl)amino)propanamido)acetic acid (CAS 90057-95-7)
- 4,4-Dimethyl-5-phenyl-4,5-dihydroisoxazol-5-ol (CAS 53009-30-6)
- (R)-1-(3-Fluoropropyl)pyrrolidin-3-ol (CAS 1568029-01-5)
- 1,1-Difluorospiro[2.5]Octan-5-amine (CAS 2306264-20-8)
- 4-Bromo-1-(tetrahydrofuran-3-yl)-1h-pyrazol-3-amine (CAS 1343030-30-7)
- 5-Cyclopropoxy-3-methoxy-2-(methylthio)pyridine (CAS 1243329-58-9)
- 4-Cyclopropyl-1,3-thiazol-5-amine (CAS 1249588-40-6)
- CPPD-quinone (CAS CATO-CCHM705600)
- 2-hydrazinylbutanoic acid (CAS 19866-33-2)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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