1-Benzyl-4-fluoro-1H-pyrazole-3-carboxylic acid CAS 2124263-04-1
| CAS No. | 2124263-04-1 |
| Molecular Formula | C11H9FN2O2 |
| Molecular Weight | 220.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-Benzyl-4-fluoro-1H-pyrazole-3-carboxylic acid 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 1-Benzyl-4-fluoro-1H-pyrazole-3-carboxylic acid (CAS 2124263-04-1), a certified reference material (molecular formula C11H9FN2O2, MW 220.20 g/mol) for analytical method development and quality control.
Structurally, 1-Benzyl-4-fluoro-1H-pyrazole-3-carboxylic acid (C11H9FN2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 220.20 g/mol, it falls into the medium-molecular-weight range. 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 | C11H9FN2O2 |
| Molecular Weight | 220.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Benzyl Standards
- 4-Fluoro-1-methoxy-2-naphthoic acid (CAS 1000386-63-9)
- 5-(4-Fluoro-2-methylphenyl)furan-2-carboxylic acid (CAS 1094267-55-6)
- 5-(3-Fluoro-4-methoxyphenyl)pyrimidin-2-ol (CAS 1111108-05-4)
- 5-(2-Fluoro-3-methoxyphenyl)pyrimidin-2-ol (CAS 1111113-21-3)
- 5-(5-Fluoro-2-methoxyphenyl)pyrimidin-2-ol (CAS 1111113-51-9)
- 1-(3-Fluoro-4-methylphenyl)-1h-pyrazole-3-carboxylic acid (CAS 1152535-26-6)
- 1-(5-Fluoro-2-methylphenyl)-1h-pyrazole-3-carboxylic acid (CAS 1152535-76-6)
- 1-(4-fluoro-2-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1152536-04-3)
Recommended Standards
- 1-(4-Fluorophenyl)-5-methylpyrazole-4-carboxylic Acid (CAS 217073-76-2)
- 1-Benzyl-5-fluoropyrimidine-2,4(1H,3H)-dione (CAS 4871-13-0)
- 1-(4-Fluorophenyl)-5-methyl-1h-pyrazole-3-carboxylic acid (CAS 288251-66-1)
- 2-(2,6-Dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)ethanesulfonic acid (CAS 791720-85-9)
- 2,2,2-Trifluoro-1-(2-methylindolizin-3-yl)ethan-1-one (CAS 127532-47-2)
- 1,3-Bis(methylthio)propane (CAS 24949-35-7)
- (S)-1-(thiophen-2-yl)pentan-1-amine (CAS 1212815-49-0)
- 4-Chloro-2-(pyridin-4-yl)pyrido[3,4-d]pyrimidine (CAS 1589081-42-4)
- Dimethyl 4-methyl-1h-pyrrole-2,3-dicarboxylate (CAS 286375-10-8)
- 2-(Aminomethyl)-1H-benzo[d]imidazol-5-amine (CAS 485347-82-8)
- Tert-butyl (2R,3S)-3-(hydroxymethyl)-2-methylpyrrolidine-1-carboxylate (CAS 2366179-87-3)
- 5-Chloro-N-ethyl-N-methyl-4-(methylamino)pyridine-3-sulfonamide (CAS 1352515-10-6)
- 2-fluorooctanoic acid (CAS 1578-59-2)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
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