(E)-3-(3-(((4-chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-3-oxopropanal O-methyl oxime CAS 303145-56-4
| CAS No. | 303145-56-4 |
| Molecular Formula | C17H15ClN2O6S |
| Molecular Weight | 410.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of (E)-3-(3-(((4-chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-3-oxopropanal O-methyl oxime (C17H15ClN2O6S) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (E)-3-(3-(((4-chlorophenyl)sulfonyl)methyl)-4-nitrophenyl)-3-oxopropanal O-methyl oxime (CAS 303145-56-4), a certified reference material (molecular formula C17H15ClN2O6S, MW 410.83 g/mol) for analytical method development and quality control.
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.
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 | C17H15ClN2O6S |
| Molecular Weight | 410.83 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related E Standards
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Recommended Standards
- 7-(Benzyloxy)-N-(3-chloro-4-fluorophenyl)-6-methoxybenzo[d][1,2,3]triazin-4-amine (CAS 1956319-49-5)
- tert-Butyl ((5-chloro-2,4-difluorophenyl)sulfonyl)(thiazol-4-yl)carbamate, 97% (CAS 1235406-85-5)
- 4-(4-(Tert-butyl)phenyl)-2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860612-54-0)
- Zirconium(IV)bromide (CAS 13777-25-8)
- Montelukast Acid Impurity Disodium Salt (CAS 213380-27-9)
- 3-Cyclopropoxy-4-iodobenzoic acid (CAS 1243349-19-0)
- AminoquinolDISCONTINUED. Please see C609759. (CAS 10023-54-8)
- tert-Butyl (1-cyano-3,3-dimethylbutan-2-yl)carbamate (CAS 1363405-95-1)
- 3-Pentylpiperidine hydrochloride (CAS 956324-40-6)
- 3-Methyl-1H-pyrazole-5-carboxylic acid (CAS 696-22-0)
- 4-Chloro-3-fluorobenzeneboronic acid pinacol ester, 97% (CAS 627525-83-1)
- (E)-3-Bromo-2-((4-nitrobenzylidene)amino)-9H-fluoren-9-one (CAS 3405-15-0)
- 6-Bromo-7-methylisatin (CAS 129833-54-1)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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