(E)-2-(1,2-Diphenylvinyl)-1-methylquinazolin-4(1H)-one CAS 73043-89-7
| CAS No. | 73043-89-7 |
| Molecular Formula | C23H18N2O |
| Molecular Weight | 338.40 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 (E)-2-(1,2-Diphenylvinyl)-1-methylquinazolin-4(1H)-one.
(E)-2-(1,2-Diphenylvinyl)-1-methylquinazolin-4(1H)-one (CAS 73043-89-7) is a high-purity analytical reference standard with the molecular formula C23H18N2O and a molecular weight of 338.40 g/mol.
(E)-2-(1,2-Diphenylvinyl)-1-methylquinazolin-4(1H)-one (C23H18N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 (E)-2-(1,2-Diphenylvinyl)-1-methylquinazolin-4(1H)-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 | C23H18N2O |
| Molecular Weight | 338.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |
Related E Standards
- 2-(2,2-Diphenylvinyl)-6-phenyl-4H-pyran-4-one (CAS 4975-86-4)
- 5-(2,2-Diphenylvinyl)-3-phenyl-1H-pyrazole (CAS 7470-31-7)
- (Z)-2-(1,2-Diphenylvinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 264144-59-4)
- 2-(2,2-Diphenylvinyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 83947-50-6)
- (4-(2,2-Diphenylvinyl)phenyl)boronic acid (CAS 288105-04-4)
- (Z)-2-(1,2-Diphenylvinyl)-1,3,6,2-dioxazaborocane (CAS 501014-42-2)
- 2-(2,2-Diphenylvinyl)-2H-pyran-4(3H)-one (CAS 1365565-27-0)
- 7-(2,2-Diphenylvinyl)-4-phenyl-1,2,3,3a,4,8b-hexahydrocyclopenta[b]indole (CAS 135499-88-6)
Recommended Standards
- (E)-[(3-Fluorophenyl)methoxy]({[2-(phenylsulfanyl)pyridin-3-yl]methylidene})amine (CAS 478031-11-7)
- (S)-1-(2-((2-(5-Methyl-2-phenyloxazol-4-yl)ethyl)amino)acetyl)pyrrolidine-2-carbonitrile (CAS 521266-46-6)
- (9H-Fluoren-9-yl)methyl 3-amino-3-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 951625-98-2)
- (S)-N-((S)-1-((S)-2-Carbamoylpyrrolidin-1-yl)-4-methyl-1-oxopentan-2-yl)-5-oxopyrrolidine-2-carboxamide (CAS 49760-92-1)
- 2,6-Dihydroxypyrimidine-4-carbaldehyde hydrate (CAS 1052405-08-9)
- 1-(4-Bromophenyl)butane-2,3-dione (CAS 1540751-25-4)
- Tert-butyl 4-(4-(2-hydroxyethyl)phenyl)piperidine-1-carboxylate (CAS 1853217-74-9)
- 1a,2,3,7b-tetrahydro-1H-cyclopropa[c][1,5]naphthyridine (CAS 2417969-63-0)
- 1-2-3-4-Tetra-O-acetyl-β-D-ribopyranose (CAS 4049-34-7)
- 8-Bromo-2-(4-bromo-3-fluorophenyl)-6-methylimidazo[1,2-a]pyridine (CAS 2404734-49-0)
- 6-Chloro-7-fluoroquinolin-3-ol (CAS 1520434-34-7)
- 6-(tert-Butoxycarbonyl)-3a,4,5,6,7,7a-hexahydroisoxazolo[5,4-c]pyridine-3-carboxylic acid (CAS 1160248-30-5)
- 1-((2R,3R,4S,5R)-3-Amino-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 174221-86-4)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
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