(E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(3-fluorophenyl)methoxy]amine CAS 321998-42-9
| CAS No. | 321998-42-9 |
| Molecular Formula | C24H19BrFN3OS |
| Molecular Weight | 496.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(3-fluorophenyl)methoxy]amine 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.
(E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(3-fluorophenyl)methoxy]amine (CAS 321998-42-9) is a high-purity analytical reference standard with the molecular formula C24H19BrFN3OS and a molecular weight of 496.39 g/mol.
Structurally, (E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(3-fluorophenyl)methoxy]amine (C24H19BrFN3OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 496.39 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C24H19BrFN3OS |
| Molecular Weight | 496.39 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(4-fluorophenyl)methoxy]amine (CAS 321998-43-0)
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-methoxyphenyl)acetamide (CAS 477330-19-1)
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 477329-23-0)
- 2-((4-(4-Bromophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 477329-06-9)
- 2-(2-((4-Bromophenyl)amino)-2-oxoethoxy)-N-(2-(methyl(phenyl)amino)-2-oxoethyl)benzamide (CAS 1462267-08-8)
- N-{4-[(4-bromophenyl)sulfanyl]phenyl}-2-chloro-4-methanesulfonylbenzamide (CAS 339031-33-3)
- Tris(4-bromophenyl)methanol (CAS 67705-84-4)
- 5-(4-Bromophenyl)-4-(3-fluoro-4-methoxybenzoyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1H-pyrrol-2(5H)-one (CAS 609793-41-1)
Recommended Standards
- N'-[(1E)-[4-(3-Fluoropropoxy)phenyl]methylidene]-2,5-bis(2,2,2-trifluoroethoxy)benzohydrazide (CAS 477870-68-1)
- 7-Phloroeckol (CAS 662165-35-7)
- N'-[(1E)-(3-Methoxy-4-{[3-(trifluoromethyl)phenyl]methoxy}phenyl)methylidene]-4-(trifluoromethyl)benzohydrazide (CAS 866050-56-8)
- Betamethasone Impurity 144 (CAS CATO-C4X-1437144)
- 4-(2,3-Dihydro-1H-indol-1-yl)-1,1-difluoro-3-buten-2-one (CAS 478040-92-5)
- 1,5-Difluoro-2-methoxy-4-(trifluoromethyl)benzene (CAS 1935291-66-9)
- 1-[(4-Chlorophenyl)methyl]-5-methanesulfonyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one (CAS 866138-34-3)
- 1-(4-Isopropylpyridin-2-yl)ethanone (CAS 142896-09-1)
- 1-(2-Methylquinazolin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1707735-58-7)
- 4-Methoxy-3,5-dimethylpicolinonitrile (CAS 104916-41-8)
- N-(5-(Methylthio)-1,3,4-thiadiazol-2-yl)benzenesulfonamide (CAS 64140-83-6)
- Phenyl(2,4,5-trimethylphenyl)methanone (CAS 52890-52-5)
- 2-(4-Isopropoxyphenyl)ethan-1-ol (CAS 86817-77-8)
- FMRF-Like Neuropeptide (CAS 121801-61-4)
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