(3E)-3-[(2-Methylpropoxy)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one CAS 341964-24-7
| CAS No. | 341964-24-7 |
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (3E)-3-[(2-Methylpropoxy)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one (C18H18N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 294.35 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies (3E)-3-[(2-Methylpropoxy)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one (CAS 341964-24-7), a certified reference material (molecular formula C18H18N2O2, MW 294.35 g/mol) for analytical method development and quality control.
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 | C18H18N2O2 |
| Molecular Weight | 294.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related E Standards
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Recommended Standards
- (3-(4-Methoxyphenyl)-1-(p-tolyl)-1H-pyrazol-4-yl)methanol (CAS 618383-19-0)
- (3E)-3-[(4-Methoxyphenyl)imino]-1-(propan-2-yl)-2,3-dihydro-1H-indol-2-one (CAS 338414-78-1)
- (2E)-2-[2-(2,3-Dimethylphenyl)hydrazin-1-ylidene]-3-(4-methylphenyl)-3-oxopropanal (CAS 338400-40-1)
- (3Z)-3-(Butoxyimino)-1-phenyl-2,3-dihydro-1H-indol-2-one (CAS 341964-26-9)
- 7-Bromo-4-(pyrrolidin-1-yl)-1-naphthonitrile (CAS 870966-70-4)
- 1-Butoxy-6-chlorohexane (CAS 1002-76-2)
- (R)-2-amino-2-(2-chloro-5-methoxyphenyl)ethan-1-ol (CAS 1213666-93-3)
- N3,1-Dimethyl-1H-pyrazole-3,4-diamine (CAS 131311-56-3)
- tert-Butyl (1-amino-1-cyclohexyl-3-methylbutan-2-yl)carbamate (CAS 2005652-75-3)
- 2-Chloro-N-(4-chlorophenyl)-N-(2-formyl-1H-indol-3-yl)acetamide (CAS 182123-52-0)
- Perampanel Impurity 9 (CAS 380918-51-4)
- 1-Cyclohexyl-4,5-dimethyl-1h-imidazole-2-thiol (CAS 215675-51-7)
- 3-(3-(4-(tert-Butyl)phenyl)-1,2,4-oxadiazol-5-yl)-N-ethylpropanamide (CAS 876713-71-2)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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