5-(Dimethylamino)-2-(3,5-dimethylphenyl)isoindoline-1,3-dione CAS 651733-77-6
| CAS No. | 651733-77-6 |
| Molecular Formula | C18H18N2O2 |
| Molecular Weight | 294.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 294.35 g/mol gives 5-(Dimethylamino)-2-(3,5-dimethylphenyl)isoindoline-1,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-(Dimethylamino)-2-(3,5-dimethylphenyl)isoindoline-1,3-dione (CAS 651733-77-6), a certified reference material (molecular formula C18H18N2O2, MW 294.35 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 5-(Dimethylamino)-2-(3,5-dimethylphenyl)isoindoline-1,3-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 294.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.) | 1985 |
| Nitrogen Atoms | 2 |
Related Dimethylamino Standards
- 2,6-Bis(dimethylamino)anthracene-9,10-dione (CAS 106580-21-6)
- 1-(4-(Dimethylamino)phenyl)-3-(1H-indol-3-yl)urea (CAS 941968-59-8)
- 1,2-Bis(dimethylamino)anthracene-9,10-dione (CAS 62468-72-8)
- 2,3-Bis(dimethylamino)anthracene-9,10-dione (CAS 62468-67-1)
- 4-(3-((Dimethylamino)methyl)phenyl)-5-hydroxyisoquinolin-1(2H)-one (CAS 651029-60-6)
- 4-(4-(Dimethylamino)phenyl)-1-methoxyisoquinolin-5-ol (CAS 656233-98-6)
- 4-(Dimethylamino)-2-(3,5-dimethylphenyl)isoindoline-1,3-dione (CAS 651733-73-2)
- 7-(Dimethylamino)-3-(3-methoxyphenyl)isoquinolin-1(2H)-one (CAS 862469-60-1)
Recommended Standards
- 5-(3,5-dimethylphenyl)-5-(2-methylphenyl)imidazolidine-2,4-dione (CAS 2060032-14-4)
- 5-Methyl-N-(3-phenylpropyl)furo[3,2-b]pyridine-2-carboxamide (CAS 941969-23-9)
- 5-(1-(((1R,2R)-2-aminocyclohexyl)amino)ethylidene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione (CAS 915222-02-5)
- 6-(3-Aminophenyl)-2-(isopropylamino)quinazolin-7-ol (CAS 914395-75-8)
- 5-Bromo-7-(chloromethyl)-3,4-dihydroisoquinolin-1(2H)-one (CAS 2603581-27-5)
- 1H-Pyrrolo[2,3-b]pyridine-4-carbonitrile, 5-bromo- (CAS 1207625-52-2)
- 2,8-Dimethyl-4-hydroxyquinoline (CAS 15644-80-1)
- Methyl 2-bromo-5-cyanobenzoate (CAS 1031927-03-3)
- 2-(((4-Fluorophenyl)thio)methyl)piperidine (CAS 1247705-36-7)
- (3,4-Difluorophenyl)(4-iodophenyl)methanone (CAS 951891-74-0)
- 3-Amino-N-(3-fluorophenyl)propanamide (CAS 938517-17-0)
- 1-(4-Fluorophenyl)cyclobutan-1-ol (CAS 339365-53-6)
- 3-Methoxy-1-methylisoquinoline (CAS 23832-77-1)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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