3-(2-Oxo-2-phenylethylidene)indolin-2-one CAS 31541-36-3
| CAS No. | 31541-36-3 |
| Molecular Formula | C16H11NO2 |
| Molecular Weight | 249.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(2-Oxo-2-phenylethylidene)indolin-2-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-(2-Oxo-2-phenylethylidene)indolin-2-one (CAS 31541-36-3), a certified reference material (molecular formula C16H11NO2, MW 249.26 g/mol) for analytical method development and quality control.
The molecular framework of 3-(2-Oxo-2-phenylethylidene)indolin-2-one (C16H11NO2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
CATO manufactures 3-(2-Oxo-2-phenylethylidene)indolin-2-one 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 | C16H11NO2 |
| Molecular Weight | 249.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1966 |
| Nitrogen Atoms | 1 |
Related Oxo Standards
- N'-(1-Phenylethylidene)benzohydrazide (CAS 1219-41-6)
- 1,2-Bis(1-phenylethylidene)hydrazine (CAS 729-43-1)
- 3-Phenyl-4-(2-phenylethylidene)-1H-pyrazol-5(4H)-one (CAS 834898-68-9)
- 3-(2-Oxo-2-phenylethylidene)-3,4-dihydroquinoxalin-2(1H)-one (CAS 39260-15-6)
- methyl 2-(1-phenylethylidene)hydrazinecarbodithioate (CAS 26155-38-4)
- (Z)-5-(1-Phenylethylidene)-2-thioxoimidazolidin-4-one (CAS 503065-72-3)
- 4,4＇-(1-Phenylethylidene)bisphenol (CAS 1571-75-1)
- Phenyl-(1-phenylethylidene)amine (CAS 1749-19-5)
Recommended Standards
- 3-(2,6-Dimethyl-3-oxo-2,3-dihydro-benzo[1,4]-oxazin-4-yl)-propionic acid (CAS 352666-90-1)
- 3-(Difluoro(4-methoxyphenyl)methyl)bicyclo[1.1.1]Pentane-1-carbonitrile (CAS 2198774-72-8)
- 3-(2-(4-Fluorophenyl)thiazol-4-yl)acrylic acid (CAS 876866-79-4)
- 3-(trimethoxymethyl)isoquinolin-1(2H)-one (CAS 847783-41-9)
- 3-((2-Methylbenzyl)thio)-5-phenyl-4H-1,2,4-triazol-4-amine (CAS 578747-34-9)
- Tert-butyl spiro[indoline-3,3'-piperidine]-1'-carboxylate (CAS 857677-52-2)
- (R)-2-(4-isopropylphenyl)-2-(methylamino)ethan-1-ol (CAS 1336400-44-2)
- 3-(1H-Indol-3-yl)prop-2-ynoic Acid (CAS 144615-47-4)
- 3-(4-(4,6-Diamino-1,3,5-triazin-2-yl)phenyl)benzo[d][1,2,3]triazin-4(3H)-one (CAS 35107-28-9)
- 4-Chloroquinolin-8-yl 4-methylbenzenesulfonate (CAS 1022094-18-3)
- 2-Bromo-3,5-difluoropyridine (CAS 660425-16-1)
- (2-Bromo-4-chlorophenyl)boronic acid (CAS 1451393-45-5)
- Ethyl [(5-chloroquinolin-8-yl)oxy]acetate (CAS 88349-90-0)
- Mast Cell Degranulating (MCD) Peptide HR-2 (CAS 80388-04-1)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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