3-(3,5-Dimethyl-1H-pyrazol-1-yl)-4-fluorobenzoic acid CAS 957290-76-5
| CAS No. | 957290-76-5 |
| Molecular Formula | C12H11FN2O2 |
| Molecular Weight | 234.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(3,5-Dimethyl-1H-pyrazol-1-yl)-4-fluorobenzoic 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.
3-(3,5-Dimethyl-1H-pyrazol-1-yl)-4-fluorobenzoic acid (CAS 957290-76-5), molecular formula C12H11FN2O2 and molecular weight 234.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(3,5-Dimethyl-1H-pyrazol-1-yl)-4-fluorobenzoic acid (C12H11FN2O2) 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 234.23 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C12H11FN2O2 |
| Molecular Weight | 234.23 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.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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- 2-Propenoic acid, polymer with 1,3-butadiene (CAS 25067-26-9)
- (4-Methyl-2-(15-methylhexadecyl)-4,5-dihydrooxazol-4-yl)methanol (CAS 93841-66-8)
- 7-Fluoro-2,3,4,5-tetrahydro-1H-benzo[c]azepine (CAS 844647-53-6)
- 2-(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(2-propoxyphenyl)acetamide (CAS 342615-84-3)
- 2-Hydroxy-5-isopropylbenzaldehyde (CAS 68591-07-1)
- 3-{[2-(Trifluoromethyl)phenoxy]methyl}pyrrolidinehydrochloride (CAS 1220028-63-6)
- Dimethyldioctylammonium Chloride (CAS 5538-94-3)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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