6-Fluoroquinolin-4(1H)-one CAS 21873-50-7
| CAS No. | 21873-50-7 |
| Molecular Formula | C9H6FNO |
| Molecular Weight | 163.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-Fluoroquinolin-4(1H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-Fluoroquinolin-4(1H)-one (CAS 21873-50-7) is a high-purity analytical reference standard with the molecular formula C9H6FNO and a molecular weight of 163.15 g/mol.
Structurally, 6-Fluoroquinolin-4(1H)-one (C9H6FNO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 163.15 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 6-Fluoroquinolin-4(1H)-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 | C9H6FNO |
| Molecular Weight | 163.15 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1963 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluoroquinolin Standards
- 5-Fluoroquinolin-3-ol (CAS 1026265-04-2)
- 7-Fluoroquinolin-3-ol (CAS 1026622-90-1)
- 6-Fluoroquinolin-3-ol (CAS 1167056-03-2)
- 5-Fluoroquinolin-4(1H)-one (CAS 1198473-14-1)
- 5-Fluoroquinolin-6-ol (CAS 1261470-32-9)
- 7-Fluoroquinolin-6-ol (CAS 1261589-18-7)
- 7-Fluoroquinolin-5-ol (CAS 1261602-78-1)
- 3-Fluoroquinolin-5-ol (CAS 1261729-67-2)
Recommended Standards
- 6-Fluoroquinolin-2(1H)-one (CAS 22614-75-1)
- 6-Fluoroquinolin-7-ol (CAS 851985-94-9)
- 6-Fluoroisoquinolin-3(2H)-one (CAS 51463-15-1)
- 7-Fluoro-1H-indole-5-carbaldehyde (CAS 424834-59-3)
- (2E)-3-(4-Isopropoxy-2-methoxyphenyl)acrylic acid (CAS 1119451-36-3)
- sodium 4,4',4'',4'''-(porphyrin-5,10,15,20-tetrayl)tetrabenzenesulfonate do (CAS 122451-08-5)
- tert-Butyl spiro[indoline-3,3'-pyrrolidine]-1'-carboxylate (CAS 1251001-95-2)
- 2-(3-Chlorophenyl)-4-Ethoxy-6-[3-(Trifluoromethyl)Phenyl]Pyridine (CAS 144320-19-4)
- Ethyl 4-[(2-bromoacetyl)amino]benzoate (CAS 29182-92-1)
- Benzene, 4-bromo-1-(methoxymethyl)-2-nitro- (CAS 874959-52-1)
- 7-Chloro-6-(dimethylamino)quinoline-5,8-dione (CAS 59962-99-1)
- (R)-Ethyl 2,2-dimethylcyclopropanecarboxylate (CAS 91603-11-1)
- 3-(Methylsulfonyl)propanimidamide (CAS 1216141-63-7)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com