N-(2,4-Dichlorophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide CAS 303093-26-7
| CAS No. | 303093-26-7 |
| Molecular Formula | C21H20Cl2N2O3 |
| Molecular Weight | 419.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 419.30 g/mol gives N-(2,4-Dichlorophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(2,4-Dichlorophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide (CAS 303093-26-7) is a high-purity analytical reference standard with the molecular formula C21H20Cl2N2O3 and a molecular weight of 419.30 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, N-(2,4-Dichlorophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 419.30 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.
As a certified reference material (CRM), N-(2,4-Dichlorophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide 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 | C21H20Cl2N2O3 |
| Molecular Weight | 419.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
- {2-[(2,4-dichlorophenyl)sulfanyl]pyridin-3-yl}methyl N-(2-methylphenyl)carbamate (CAS 339278-54-5)
- (3Z)-3-{[(3-{[(2,6-dichlorophenyl)methyl]sulfanyl}-1H-1,2,4-triazol-5-yl)amino]methylidene}-1,3-dihydro-2-benzofuran-1-one (CAS 339022-11-6)
- 7-[(3,4-Dichlorophenyl)methyl]-8-(3,5-dimethyl-1H-pyrazol-1-yl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione (CAS 1019100-13-0)
- 4-((2,5-Dichlorophenyl)thio)-6-(methylthio)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 478247-57-3)
- (2Z)-1-(2,4-Dichlorophenyl)-3-[(5-iodopyridin-2-yl)amino]prop-2-en-1-one (CAS 338401-08-4)
- 4-(3-(3,5-Dichlorophenyl)-4,4,4-trifluoro-3-hydroxybutanoyl)-2-methylbenzamide (CAS 1095275-13-0)
- 3-{[(2,6-dichlorophenyl)methyl]sulfanyl}-5-[(E)-2-(phenylamino)ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338778-53-3)
- 4-[(2,3-Dichlorophenyl)sulfanyl]-6-(4-methylphenyl)-2-(methylsulfanyl)pyrimidine-5-carbonitrile (CAS 303985-08-2)
Recommended Standards
- Kh 7 (CAS 330676-02-3)
- N-(2-Bromophenyl)-2-((4-ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 573669-32-6)
- 4-((5-Bromo-2-methoxybenzylidene)amino)-3-(3-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-98-6)
- N-(3-Bromophenyl)-2-((4-ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618427-45-5)
- 3-Propylphenylboronic Acid (CAS 891843-25-7)
- 1-Ethoxy-2,3,5,6-tetrafluoro-4-(trifluoromethyl)benzene (CAS 2002-99-5)
- 5,5-Bis(4-fluorophenyl)imidazolidine-2,4-dione (CAS 70028-85-2)
- N-(5-Hydroxy-2-oxo-2,3-dihydrobenzofuran-3-yl)acetamide (CAS 189312-65-0)
- 2-Fluoro-3-methyl-4-phenylpyridine (CAS 1803800-12-5)
- 1,4-Diphenyl-1,3-dihydro-2H-imidazole-2-thione (CAS 79220-94-3)
- 2-(Aminomethyl)-3-(difluoromethyl)-5-(trifluoromethyl)pyridine-6-acetonitrile (CAS 1361732-49-1)
- N-(5-Aminopyridin-2-yl)-4-(trifluoromethyl)benzamide (CAS 1011244-68-0)
- 2-(3-Chlorobenzoyl)-6-methylpyridine (CAS 1187164-36-8)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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