(E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(2,3-dichlorophenyl)methoxy]amine CAS 321998-40-7
| CAS No. | 321998-40-7 |
| Molecular Formula | C24H18BrCl2N3OS |
| Molecular Weight | 547.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(2,3-dichlorophenyl)methoxy]amine is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(2,3-dichlorophenyl)methoxy]amine (CAS 321998-40-7) is a high-purity analytical reference standard with the molecular formula C24H18BrCl2N3OS and a molecular weight of 547.29 g/mol.
Structurally, (E)-({5-[(4-bromophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methylidene)[(2,3-dichlorophenyl)methoxy]amine (C24H18BrCl2N3OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine/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 547.29 g/mol, it falls into the moderately-high-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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H18BrCl2N3OS |
| Molecular Weight | 547.29 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 | Cl/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)[(2,4-dichlorophenyl)methoxy]amine (CAS 321998-44-1)
- N-((4-(4-Bromophenyl)-5-((2-oxo-2-(thiazol-2-ylamino)ethyl)thio)-4H-1,2,4-triazol-3-yl)methyl)-2-fluorobenzamide (CAS 391899-00-6)
- 5-[(2Z)-2-{[(2-bromophenyl)methoxy]imino}ethyl]-3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-1,2-thiazole-4-carbonitrile (CAS 338413-11-9)
- 3-(4-Bromophenyl)-5-(4-chlorophenyl)-1-(3,4-dichlorophenyl)-4-(1H-imidazol-1-yl)-4,5-dihydro-1H-pyrazole (CAS 496785-20-7)
- 2,4,6-Tris(2-bromophenyl)-1,3,5-triazine (CAS 1690315-37-7)
- 2,4,6-Tris(3-bromophenyl)triazine (CAS 890148-78-4)
- 2,4,6-Tris-(4-bromophenyl)[1,3,5]triazine (CAS 30363-03-2)
- (5-((4-Bromophenyl)sulfonyl)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 3-chlorobenzoate (CAS 318289-16-6)
Recommended Standards
- (4'-Bromo-[1,1'-biphenyl]-4-yl)(hydroxy)-lambda3-iodanyl 4-methylbenzenesulfonate (CAS 919474-55-8)
- Dotinurad Impurity 18 (CAS CATO-C4X-249418)
- 2-Chloro-N-(2,4,6-triiodophenyl)acetamide (CAS 380346-57-6)
- Aprocitentan impurity 2 (CAS CATO-C4X-33552)
- 2-Amino-3-cyano-4-methylpyridine, 97% (CAS 71493-76-0)
- (1,3-Benzodioxol-5-ylmethyl)(2-nitrobenzyl)amine (CAS 416888-55-6)
- 4-[(3-Nitrophenoxy)methyl]piperidine (CAS 946725-50-4)
- 2-(3-Dimethylamino-pyrrolidin-1-yl)-ethanol (CAS 1284976-04-0)
- 2-((3-Ethyl-1,4,6,7-tetrahydro-5H-pyrazolo[4,3-c]pyridin-5-yl)methyl)-3,5-dimethoxybenzoic acid (CAS 1609875-19-5)
- 1-Bromo-2-fluoro-5-nitro-3-(trifluoromethyl)benzene (CAS 1360438-11-4)
- 2-(Fluoranthen-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 863878-53-9)
- 1-(4-Ethoxyphenyl)cyclopropan-1-amine (CAS 1094341-22-6)
- Ethyl 3-amino-4,6-dimethyl-1,6-dihydropyridine-2-carboxylate (CAS 1314898-76-4)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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