3,3-Diallyl-1-phenylindolin-2-one CAS 19048-20-5
| CAS No. | 19048-20-5 |
| Molecular Formula | C20H19NO |
| Molecular Weight | 289.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,3-Diallyl-1-phenylindolin-2-one.
3,3-Diallyl-1-phenylindolin-2-one (CAS 19048-20-5) is a high-purity analytical reference standard with the molecular formula C20H19NO and a molecular weight of 289.37 g/mol.
Structurally, 3,3-Diallyl-1-phenylindolin-2-one (C20H19NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. 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 289.37 g/mol, it falls into the medium-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.
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.
As a certified reference material (CRM), 3,3-Diallyl-1-phenylindolin-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H19NO |
| Molecular Weight | 289.37 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 | 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.) | 1962 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Methoxy Propranolol (CAS 18507-09-0)
- Fexofenadine Impurity 19 (CAS 193217-39-9)
- (S)-4-Benzyl-3-heptanoyloxazolidin-2-one (CAS 183665-57-8)
- tert-Butyl 3-benzyl-4-oxopiperidine-1-carboxylate (CAS 193274-82-7)
- (R)-6-(1-aminoethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1187931-29-8)
- 7H-pyrrolo[2,3-d]pyrimidin-4-ylmethanol (CAS 1638767-76-6)
- N-Methyl-4-aminobutyric Acid-d (CAS 1215511-11-7)
- Cytarabine Impurity 8 (CAS 58461-29-3)
- Methyl 4-(tert-butoxycarbonylamino)-1-methylpyrrole-2-carboxylate, 97% (CAS 126092-96-4)
- 8-Bromo-6-chloro-5-methoxyquinoline (CAS 1236162-20-1)
- 2-(Piperidin-4-yloxy)nicotinic acid hydrochloride (CAS 1187930-03-5)
- 8-Benzyl-4-(4-chloro-3-nitrobenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326808-84-7)
- (4-Cyclopropyl-1,3-thiazol-2-yl)methanol hydrochloride (CAS 1993232-16-8)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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