4-Methyl-7-phenoxy-1h,2h,3h,4h,9h-cyclopenta[b]quinolin-9-one CAS 374918-94-2
| CAS No. | 374918-94-2 |
| Molecular Formula | C19H17NO2 |
| Molecular Weight | 291.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Methyl-7-phenoxy-1h,2h,3h,4h,9h-cyclopenta[b]quinolin-9-one (C19H17NO2) 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 291.34 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 4-Methyl-7-phenoxy-1h,2h,3h,4h,9h-cyclopenta[b]quinolin-9-one (CAS 374918-94-2), a certified reference material (molecular formula C19H17NO2, MW 291.34 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.
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 | C19H17NO2 |
| Molecular Weight | 291.34 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 | May oxidize slowly on prolonged air exposure; 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.) | 2025 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 7-phenoxy-1,2,3,4,9,10-hexahydroacridin-9-one (CAS 113825-76-6)
- 4-Phenoxy-2-phenylpyrimidine-5-carboxylic acid (CAS 477854-85-6)
- 2-Phenoxy-3-(trifluoromethyl)quinoxaline (CAS 338773-58-3)
- 4-Phenoxy-2-(trifluoromethyl)quinazoline (CAS 337924-83-1)
- 11-Phenoxy-7,8,9,10-tetrahydro-6H-cyclohepta[b]quinoline (CAS 7163-54-4)
- 4-Methyl-6-phenoxy-2H,3H-thieno[3,2-c]quinoline (CAS 866133-62-2)
- 4-Methyl-8-phenoxy-2H,3H-thieno[3,2-c]quinoline (CAS 861210-05-1)
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Recommended Standards
- 4-Methyl-3-(2-methyl-5-phenyl-1h-pyrrol-1-yl)benzoic acid (CAS 26165-57-1)
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- 4-Cyano-4-(3,4-dimethoxyphenyl)-5-methylhexanoic acid (CAS 36622-23-8)
- 4-Phenyl-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinoline-6-carboxylic acid (CAS 353495-27-9)
- 3-Amino-N-(benzo[d][1,3]dioxol-5-yl)-4-chlorobenzamide (CAS 1018301-78-4)
- (R)-N-Methyl-1-phenylethanamine hydrochloride (CAS 1096105-18-8)
- Phenampromide-d5 Hydrochloride (CAS 1346603-67-5)
- 4-Bromo-5-methylpyridine (CAS 10168-00-0)
- Spiro[3.5]nonan-6-amine (CAS 1255099-64-9)
- 4-Methoxy-3-(thiomorpholin-4-ylmethyl)benzaldehyde (CAS 438531-41-0)
- Dexmedetomidine Impurity 86 (CAS CATO-C4X-123086)
- (1R,3r,5S)-3-Methyl-8-azabicyclo[3.2.1]octan-3-ol hydrochloride (CAS 870889-89-7)
- 2-Propyl-2,3-dihydro-1H-inden-1-one (CAS 92013-10-0)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
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