1-(2-Fluorophenyl)-4-(1-nitronaphthalen-2-yl)-3-(trifluoromethyl)-1H-pyrazole CAS 321998-69-0
| CAS No. | 321998-69-0 |
| Molecular Formula | C20H11F4N3O2 |
| Molecular Weight | 401.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Fluorophenyl)-4-(1-nitronaphthalen-2-yl)-3-(trifluoromethyl)-1H-pyrazole (CAS 321998-69-0) is a high-purity analytical reference standard with the molecular formula C20H11F4N3O2 and a molecular weight of 401.31 g/mol.
1-(2-Fluorophenyl)-4-(1-nitronaphthalen-2-yl)-3-(trifluoromethyl)-1H-pyrazole (C20H11F4N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(2-Fluorophenyl)-4-(1-nitronaphthalen-2-yl)-3-(trifluoromethyl)-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.
Physical & Chemical Properties
| Molecular Formula | C20H11F4N3O2 |
| Molecular Weight | 401.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- 1-(4-Fluorophenyl)-4-(1-nitronaphthalen-2-yl)-3-(trifluoromethyl)-1H-pyrazole (CAS 321998-71-4)
- 5-[(E)-[(4-Fluorophenyl)methylidene]amino]-6-imino-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2,3,6-tetrahydropyrimidine-4-carbonitrile (CAS 1020252-41-8)
- N-((1-(4-Fluorophenyl)-1H-tetrazol-5-yl)methyl)-3-(trifluoromethyl)benzenesulfonamide (CAS 942000-37-5)
- Methyl 4-{4-[2-(4-fluorophenyl)-2-oxoethyl]piperazin-1-yl}-3-nitrobenzoate (CAS 341967-71-3)
- [{2-[4-(4-Fluorophenyl)piperazin-1-yl]-2-oxoethyl}(4-methoxyphenyl)amino]acetic acid (CAS 1142205-38-6)
- Methyl 3-(2-(2-((4-fluorophenyl)sulfonyl)-1-methylhydrazinyl)acetamido)thiophene-2-carboxylate (CAS 861212-54-6)
- N-((1-(4-Fluorophenyl)-1H-tetrazol-5-yl)methyl)-3,3-diphenylpropanamide (CAS 897623-68-6)
- Ethyl 1-(7-(2-fluorophenyl)-4-hydroxythieno[3,2-d]pyrimidin-2-yl)piperidine-4-carboxylate (CAS 1243106-58-2)
Recommended Standards
- 1-((2,4-Dichlorophenyl)sulfonyl)-4-(2-methoxyphenyl)piperazine (CAS 866153-17-5)
- 1-(3,4-Dichlorobenzyl)-4-(methylthio)-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 478031-68-4)
- 2-Chloro-N-(3-chlorophenyl)-5-(N,N-diethylsulfamoyl)benzamide (CAS 1153537-12-2)
- CAS 2120095-23-8 (CAS 2120095-23-8)
- 4-Amino-1,3,5-trimethylpyrazole hydrochloride (CAS 1185303-62-1)
- LL-37 FKR trifluoroacetate salt (CAS 913736-94-4)
- (2-Cyclopropoxy-6-(trifluoromethyl)phenyl)methanamine (CAS 1243471-15-9)
- Ethyl (2E)-3-amino-3-[(pyridin-3-yl)formohydrazido]prop-2-enoate (CAS 338794-82-4)
- 2-((5,7-Diiodoquinolin-8-yl)oxy)acetonitrile (CAS 88757-79-3)
- 4-Bromo-2,3,5,6-tetrafluorobenzaldehyde (CAS 108574-98-7)
- 4-Bromo-1-(2-bromoethyl)-2-fluorobenzene (CAS 1331944-48-9)
- 5F-AMB (CAS 1801552-03-3)
- 5-(Benzylsulfanyl)-3-phenyl-6-(trifluoromethyl)-1,2,4-triazine (CAS 478048-11-2)
- Tirzepatide Impurity 50 (CAS CATO-C4X-324050)
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