4-(1,1-Difluoroethyl)-1H-pyrazole CAS 1785350-65-3
| CAS No. | 1785350-65-3 |
| Molecular Formula | C5H6F2N2 |
| Molecular Weight | 132.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(1,1-Difluoroethyl)-1H-pyrazole (CAS 1785350-65-3), a certified reference material (molecular formula C5H6F2N2, MW 132.11 g/mol) for analytical method development and quality control.
Owing to a nitrile group, fluorine substitution, 4-(1,1-Difluoroethyl)-1H-pyrazole is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 132.11 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 4-(1,1-Difluoroethyl)-1H-pyrazole 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 | C5H6F2N2 |
| Molecular Weight | 132.11 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoroethyl Standards
- 1-(2,2-Difluoroethyl)-1H-pyrazole (CAS 1173030-07-3)
- 3-(1,1-Difluoroethyl)-1H-pyrazole (CAS 1462380-24-0)
- 5-(1,1-Difluoroethyl)-1H-imidazole (CAS 2229580-72-5)
- 2-[(2,2-difluoroethyl)(methyl)amino]acetonitrile (CAS 1248187-09-8)
- N-(2,2-difluoroethyl)cyclobutanamine (CAS 1010189-79-3)
- 3-(2,2-Difluoroethyl)cyclobutan-1-amine (CAS 1461707-93-6)
- 3-(1,1-Difluoroethyl)pyrrolidine (CAS 1554370-14-7)
- 3-(2,2-Difluoroethyl)pyrrolidine (CAS 1566754-28-6)
Recommended Standards
- 4-(Difluoromethyl)-1-methyl-1H-pyrazole (CAS 1785350-57-3)
- (2S)-1,4-dioxane-2-carboxylic acid (CAS 1821739-82-5)
- 4,4-Difluoropyrrolidine-3-carbonitrile (CAS 1780714-82-0)
- 3-hydroxyoxolane-3-carboxylic acid (CAS 183162-36-9)
- 3-Amino-N-(3-methylisoxazol-5-yl)propanamide (CAS 1352505-84-0)
- 4,4''-Diamino-p-terphenyl (CAS 3365-85-3)
- 6-(2,4-Difluorophenyl)-2-hydroxynicotinonitrile (CAS 1204296-69-4)
- Tert-butyl (3-aminopentyl)carbamate (CAS 210240-75-8)
- 3-Amino-1H-pyrrolo[2,3-b]pyridine-4-carbaldehyde (CAS 1190312-08-3)
- 3-(5,6-Dibromo-1,3-dioxooctahydro-2H-4,7-methanoisoindol-2-yl)propanoic acid (CAS 386702-30-3)
- 2-[(Pyridine-3-carbonyl)-amino]-benzoic acid (CAS 6188-02-9)
- 1-Benzylindolin-6-amine dihydrochloride (CAS 1263378-73-9)
- 1,5-Dibromo-2-butoxy-3-fluorobenzene (CAS 2404733-64-6)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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