7-Chloro-4-methylquinolin-2(1H)-one CAS 2540-09-2
| CAS No. | 2540-09-2 |
| Molecular Formula | C10H8ClNO |
| Molecular Weight | 193.63 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 7-Chloro-4-methylquinolin-2(1H)-one.
7-Chloro-4-methylquinolin-2(1H)-one (CAS 2540-09-2), molecular formula C10H8ClNO and molecular weight 193.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H8ClNO, 7-Chloro-4-methylquinolin-2(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 193.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 7-Chloro-4-methylquinolin-2(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 | C10H8ClNO |
| Molecular Weight | 193.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 7-Chloro-4-methoxyquinoline (CAS 26707-52-8)
- 7-chloro-8-methoxyquinoline (CAS 36748-98-8)
- 7-Chloro-4-hydroxy-8-methylquinoline (CAS 203626-39-5)
- 7-Chloro-8-methylquinolin-2(1H)-one (CAS 73108-76-6)
- 1-Bromo-2-chloro-3-fluoro-5-nitrobenzene (CAS 35754-26-8)
- 2-((5,6-Dichloropyridazin-4-yl)oxy)-N,N-dimethylethanamine (CAS 1346698-29-0)
- 5-(2-Aminoethyl)piperidin-2-one (CAS 1150618-38-4)
- 7H,8H-pyrido[2,3-d]pyridazin-8-one (CAS 15375-79-8)
- Hydroxychloroquine Sulfate EP Impurity D DiHBr (Desethyl Chloroquine DiHBr) (CAS 1476-52-4(free base))
- 6-tert-Butyl 3-ethyl 4,5-dihydrothieno[2,3-c]pyridine-3,6(7H)-dicarboxylate (CAS 936497-88-0)
- (4R,4′R)-2,2′-(1-Butylpentylidene)bis[4,5-dihydro-4-phenyloxazole] (CAS 1246401-52-4)
- 536748-46-6 5FCH6YDY7Z N-(4-Chlorophenyl)-N-(2-fluoro-4-(2-oxopyridin-1(2H)-yl)phenyl)-4-methoxypyrrolidiine-1,2-dicarboxamide Eribaxaban [USAN:INN] 1,2-Pyrrolidinedicarboxamide, N1-(4-chlorophenyl)-N2-(2-fluoro-4-(2-oxo-1(2H)- pyridinyl)phenyl)-4-methoxy-, (2R,4R)- Eribaxaban (2R,4R)-N1-(4-Chlorophenyl)-N2-(2-fluoro-4-(2-oxopyridin-1(2H)-yl)phenyl)-4-methoxypyrrolidine-1,2-dicarboxamide PD 348,292 PD 348292 PD0348292 PD 0348292 PD-0348292 UNII-5FCH6YDY7Z (CAS 536748-46-6)
- 4-(n-Methylacetamido)butanoic acid (CAS 117704-99-1)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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