4-Chlorophenyl 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}benzene-1-sulfonate CAS 338400-28-5
| CAS No. | 338400-28-5 |
| Molecular Formula | C18H10Cl2F3NO4S |
| Molecular Weight | 464.24 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.
4-Chlorophenyl 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}benzene-1-sulfonate (CAS 338400-28-5), molecular formula C18H10Cl2F3NO4S and molecular weight 464.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Chlorophenyl 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}benzene-1-sulfonate (C18H10Cl2F3NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 464.24 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).
CATO manufactures 4-Chlorophenyl 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}benzene-1-sulfonate 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 | C18H10Cl2F3NO4S |
| Molecular Weight | 464.24 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}phenyl 2-chlorobenzenesulfonate (CAS 339026-70-9)
- N-(4-iodophenyl)-2-((3,4,4-trifluorobut-3-en-1-yl)thio)nicotinamide (CAS 339106-86-4)
- 2,5-Bis(5-bromothiophen-2-yl)thiazolo[5,4-d]thiazole (CAS 1227366-41-7)
- BIS(1,1-DIMETHYLETHYL)-(2-IODO-4-NITROPHENYL) IMIDODICARBONATE (CAS 395639-04-0)
- 2-(2-Fluorophenoxy)-4-methylaniline (CAS 946774-17-0)
- Methyl 4-fluoropyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1802489-64-0)
- 4-Chloro-5-(4-methoxyphenyl)thieno[2,3-d]pyrimidine (CAS 312584-53-5)
- ASP5878 (CAS 1453208-66-6)
- N-(1H-Indol-5-yl)benzamide (CAS 6019-39-2)
- Tedizolid Impurity 42 (CAS 2095200-69-2)
- Benzo[d]thiazole-2,4-diol (CAS 858635-60-6)
- 4-Bromo-6-(methylthio)pyrimidine (CAS 1209458-45-6)
- 8-Thia-2-azaspiro[4.5]Decane 8,8-dioxide hydrochloride (CAS 2248344-54-7)
- Semaglutide (CAS 910463-68-2)
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