3-(4-Methoxyphenyl)-5-phenyl-2H-pyrano[2,3-b]quinolin-2-one CAS 845536-16-5
| CAS No. | 845536-16-5 |
| Molecular Formula | C25H17NO3 |
| Molecular Weight | 379.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C25H17NO3, 3-(4-Methoxyphenyl)-5-phenyl-2H-pyrano[2,3-b]quinolin-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 379.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 3-(4-Methoxyphenyl)-5-phenyl-2H-pyrano[2,3-b]quinolin-2-one (CAS 845536-16-5), a certified reference material (molecular formula C25H17NO3, MW 379.41 g/mol) for analytical method development and quality control.
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-(4-Methoxyphenyl)-5-phenyl-2H-pyrano[2,3-b]quinolin-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 | C25H17NO3 |
| Molecular Weight | 379.41 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Methoxyphenyl Standards
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- 3-(((1-(4-Methoxyphenyl)-1H-tetrazol-5-yl)thio)methyl)-7-methylquinolin-2(1H)-one (CAS 875163-98-7)
- N-(4-Methoxyphenyl)-5-methyl-12-oxo-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775359-35-7)
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Recommended Standards
- 2-(5-Butoxy-1-phenyl-1H-pyrazole-3-carboxamido)benzoic acid (CAS 55228-50-7)
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- 2-(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)-N-(4-nitrophenyl)acetamide (CAS 605625-87-4)
- 4-(2-(4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)-2-oxoethoxy)benzonitrile (CAS 924069-79-4)
- 7',8'-Dimethoxy-5'H-spiro[piperidine-4,4'-pyrrolo[1,2-a]quinoxaline] hydrochloride (CAS 1242268-29-6)
- 3-Bromo-4,5-dihydroxybenzoic acid (CAS 61203-46-1)
- 5-Amino-5-hydroxy-7-methyl-1H-benzo[d]imidazol-4(5H)-one (CAS 536757-13-8)
- tert-butyl 3-(bromomethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazine-7-carboxylate (CAS 2172548-27-3)
- 4-(2-Bromo-4-chlorophenyl)morpholine (CAS 1432058-09-7)
- 2-Amino-3-hydroxyisonicotinaldehyde (CAS 1289175-60-5)
- 2-Chloro-3-((4-chlorobenzyl)amino)naphthalene-1,4-dione (CAS 331462-36-3)
- Calcium sulfate hemihydrate (CAS 10034-76-1)
- 5-Nitrospiro[benzo[d][1,3]dioxole-2,1'-cyclohexane] (CAS 64179-40-4)
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