(E)-4-(3-(3-chlorophenyl)acryloyl)phenyl 2,5-dichlorobenzenesulfonate CAS 298216-09-8
| CAS No. | 298216-09-8 |
| Molecular Formula | C21H13Cl3O4S |
| Molecular Weight | 467.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(E)-4-(3-(3-chlorophenyl)acryloyl)phenyl 2,5-dichlorobenzenesulfonate (CAS 298216-09-8) is a high-purity analytical reference standard with the molecular formula C21H13Cl3O4S and a molecular weight of 467.75 g/mol.
Structurally, (E)-4-(3-(3-chlorophenyl)acryloyl)phenyl 2,5-dichlorobenzenesulfonate (C21H13Cl3O4S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 467.75 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures (E)-4-(3-(3-chlorophenyl)acryloyl)phenyl 2,5-dichlorobenzenesulfonate 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 | C21H13Cl3O4S |
| Molecular Weight | 467.75 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-({4-[(4-chlorophenyl)sulfanyl]-3-nitrophenyl}methylidene)[(2,4-dichlorophenyl)methoxy]amine (CAS 477851-88-0)
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- [(Z)-2-[4-(4-Chlorophenyl)-5-{[3-(trifluoromethyl)phenoxy]methyl}-4H-1,2,4-triazol-3-yl]-2-nitroethenyl]dimethylamine (CAS 400078-60-6)
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Recommended Standards
- Pinaverium Bromide Impurity 44 (CAS 87325-77-7)
- GNE-0723 (CAS 1883518-31-7)
- Ethyl N-[2-({2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]hydrazin-1-yl}methylidene)-3-[(ethoxycarbonyl)amino]-3-oxopropanoyl]carbamate (CAS 338420-20-5)
- 1286AF 4-Chloro-6-(tributylstannyl)-thieno[3,2-d]pyrimidine 875339-90-5 C18H29ClN2SSn (CAS 875339-90-5)
- Methyl 2-((2-chloro-4-(trifluoromethyl)phenyl)thio)acetate (CAS 1119451-07-8)
- 4-Bromo-2-(trifluoromethyl)benzimidazole (CAS 6587-23-1)
- 4-Ethynylpyridine (CAS 2510-22-7)
- HO-4120, 90% (CAS 1214132-82-7)
- 2-Bromo-4-(trifluoromethyl)quinoline (CAS 590372-17-1)
- 4-(2-Trifluoromethyl-pyridin-4-yloxy)-phenylamine (CAS 630125-71-2)
- Methyl 5-bromo-4-fluoro-2-hydroxybenzoate (CAS 4133-72-6)
- 2-(Cyclohexylmethyl)-5-hydroxybenzamide (CAS 1243347-41-2)
- (5-(Trifluoromethyl)pyrimidin-2-yl)methanamine (CAS 944905-50-4)
- [a-Glu](Side chain transposition)- Semaglutide (CAS CATO-C4X-2226111)
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