2-(4-(Dimethylamino)phenyl)-2,3-dihydroquinazolin-4(1H)-one CAS 66181-66-6
| CAS No. | 66181-66-6 |
| Molecular Formula | C16H17N3O |
| Molecular Weight | 267.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(4-(Dimethylamino)phenyl)-2,3-dihydroquinazolin-4(1H)-one (CAS 66181-66-6), molecular formula C16H17N3O and molecular weight 267.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H17N3O, 2-(4-(Dimethylamino)phenyl)-2,3-dihydroquinazolin-4(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 2-(4-(Dimethylamino)phenyl)-2,3-dihydroquinazolin-4(1H)-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 | C16H17N3O |
| Molecular Weight | 267.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
Related Dimethylamino Standards
- 3-(Dimethylamino)-1-phenyl-2,3-dihydroquinazolin-4(1H)-one (CAS 90071-01-5)
- (2E)-3-(Dimethylamino)-1-(4-phenoxyphenyl)prop-2-en-1-one (CAS 241488-13-1)
- (E)-3-(4-(dimethylamino)phenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one (CAS 65786-13-2)
- 3-(4-(Dimethylamino)phenyl)-1-(2-hydroxyphenyl)prop-2-en-1-one (CAS 6342-97-8)
- 3-(4-(Dimethylamino)phenyl)-1-(4-hydroxyphenyl)prop-2-en-1-one (CAS 5838-77-7)
- (4-(2-(Dimethylamino)ethoxy)-5-ethyl-2-methoxyphenyl)boronic acid (CAS 642494-85-7)
- (4-(4-(Dimethylamino)styryl)phenyl)boronic acid (CAS 406719-93-5)
- Bis(dimethylamino-2-propoxy)copper(II) (CAS 185827-91-2)
Recommended Standards
- 2-((1-Benzyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)oxy)acetonitrile (CAS 58442-58-3)
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- 2-((1-Benzyl-1h-benzo[d]imidazol-2-yl)amino)ethan-1-ol (CAS 86978-99-6)
- 2-(Benzylthio)-5-nitrothiazol-4-amine (CAS 845879-11-0)
- Disulfanediylbis(4-(N-((4-amino-2-methylpyrimidin-5-yl)methyl)formamido)pent-3-ene-3,1-diyl) dibutyrate (CAS 18481-23-7)
- 2-(5-Butyl-1H-indol-3-yl)ethan-1-amine (CAS 41055-60-1)
- tert-Butyl 5-chloro-2-(3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzylidene)pentanoate (CAS 1225232-42-7)
- Indole-3-butyryl-L-phenylalanine (CAS 1008303-39-6)
- Avibactam Impurity 147（2R,5R）Sulfate (CAS CATO-C4X-1348147)
- 1-(2-Aminoethyl)piperidine-4-carbonitrile dihydrochloride (CAS 2095410-63-0)
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- N-[(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl]pyridazine-4-carboxamide (CAS 2246602-26-4)
- (1h-Indazole-3-carbonyl)glycine (CAS 403483-02-3)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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