4-Chloro-3-ethoxy-2-fluorobenzaldehyde CAS 1323966-27-3
| CAS No. | 1323966-27-3 |
| Molecular Formula | C9H8ClFO2 |
| Molecular Weight | 202.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Chloro-3-ethoxy-2-fluorobenzaldehyde (CAS 1323966-27-3) is a high-purity analytical reference standard with the molecular formula C9H8ClFO2 and a molecular weight of 202.61 g/mol.
4-Chloro-3-ethoxy-2-fluorobenzaldehyde (C9H8ClFO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
As a certified reference material (CRM), 4-Chloro-3-ethoxy-2-fluorobenzaldehyde 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 | C9H8ClFO2 |
| Molecular Weight | 202.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 2-(2-Chloro-4-fluoro-5-methylphenyl)acetic acid (CAS 1000522-29-1)
- 2-Chloro-1-(2-fluoro-4-methoxyphenyl)ethan-1-one (CAS 1028298-97-6)
- Methyl 2-(2-chloro-6-fluorophenyl)acetate (CAS 103473-99-0)
- Methyl 2-(4-chloro-3-fluorophenyl)acetate (CAS 1035262-89-5)
- Methyl 2-chloro-2-(4-fluorophenyl)acetate (CAS 1036273-29-6)
- 3-Chloro-1-(5-fluoro-2-hydroxyphenyl)propan-1-one (CAS 104147-77-5)
- 2-(2-Chloro-6-fluorophenyl)propanoic acid (CAS 1083172-73-9)
- 6- Chloro- 2- (ethylamino) pyridine- 3- carbonyl Fluoride (CAS 1092523-22-2)
Recommended Standards
- 8-(Chloromethyl)-6-fluoro-2,4-dihydro-1,3-benzodioxine (CAS 131728-94-4)
- 1-(4-Chloro-2-fluoro-3-methoxyphenyl)ethan-1-one (CAS 1323966-44-4)
- N-(5-Chloro-3-fluoro-4-methylpyridin-2-yl)acetamide (CAS 1314514-82-3)
- Methyl 5-(chloromethyl)-2-fluorobenzoate (CAS 1338563-94-2)
- 2-Ethoxy-4-methylthiazole-5-carboxylic acid (CAS 1285588-73-9)
- 4-(Tetrahydropyran-4-yloxy)-2-trifluoromethylphenylamine (CAS 1305750-46-2)
- 2-azaspiro[4.5]decane-3,8-dione (CAS 914780-96-4)
- 1-{1H-pyrrolo[2,3-b]pyridin-4-yl}ethan-1-one (CAS 915415-16-6)
- (R)-2-Hydroxy-4-phenylbutyric Acid-d5 (CAS 1286987-57-2)
- (2-((3-Cyano-6-ethyl-5,6,7,8-tetrahydroquinolin-2-yl)thio)acetyl)proline (CAS 1030014-14-2)
- 2-(Dimethylamino)-2-(2-methoxyphenyl)acetonitrile (CAS 1017486-07-5)
- 3,5-Dichloro-4-(1,1,2,2-tetrafluoroethoxy)aniline (CAS 104147-32-2)
- 3-(Chloromethyl)isothiazole (CAS 1246549-42-7)
- Tau Peptide (245-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 1428134-39-7)
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