(E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine CAS 321553-27-9
| CAS No. | 321553-27-9 |
| Molecular Formula | C19H13Cl3F3N3OS |
| Molecular Weight | 494.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H13Cl3F3N3OS, (E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 494.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)[(2,4-dichlorophenyl)methoxy]amine (CAS 321553-27-9) is a high-purity analytical reference standard with the molecular formula C19H13Cl3F3N3OS and a molecular weight of 494.75 g/mol.
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 | C19H13Cl3F3N3OS |
| Molecular Weight | 494.75 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-5-((4-chlorophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde O-(2,6-dichlorobenzyl) oxime (CAS 321533-81-7)
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Recommended Standards
- 6-Chloro-5-iodo-N,N-bis(4-methoxybenzyl)pyridin-2-amine, >97% (CAS 1454285-39-2)
- CAS 327178-90-5 (CAS 327178-90-5)
- 3-chloro-n-[(e)-(2,4-dichlorophenyl)methylidene]aniline 82594-76-1 AR-1F2749 (CAS 82594-76-1)
- Vitamin K1 Impurity 35 (CAS 50281-47-5)
- 3-(2-Fluoro-3-methylphenyl)propanoic acid (CAS 955403-63-1)
- 5-Bromo-2-formylnicotinic acid (CAS 1289115-21-4)
- 5-(4-Methoxyphenyl)isoxazole-3-carboxylic Acid (CAS 33282-16-5)
- Methyl 2-(2-(4-methylpiperazin-1-yl)-6-oxo-1,4,5,6-tetrahydropyrimidin-5-yl)acetate (CAS 1114595-95-7)
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- Acyclovir-d4 N,O-Diacetate (CAS 1189728-07-1)
- 2-((5-Benzyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(2-methoxy-5-methylphenyl)acetamide (CAS 720667-78-7)
- tert-Butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-azaspiro[3.3]hept-5-ene-2-carboxylate (CAS 2730903-90-7)
- 2-(4-Methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one (CAS 1338668-96-4)
- Atrial Natriuretic Peptide (ANP)(1-28) Alpha (Human, Ovine, Canine) (CAS 91917-63-4)
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