Ethyl 2-chloro-3,6-difluorobenzoater CAS 773135-52-7
| CAS No. | 773135-52-7 |
| Molecular Formula | C9H7ClF2O2 |
| Molecular Weight | 220.60 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.
CATO supplies Ethyl 2-chloro-3,6-difluorobenzoater (CAS 773135-52-7), a certified reference material (molecular formula C9H7ClF2O2, MW 220.60 g/mol) for analytical method development and quality control.
Ethyl 2-chloro-3,6-difluorobenzoater (C9H7ClF2O2) 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).
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 | C9H7ClF2O2 |
| Molecular Weight | 220.60 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.) | 1986 |
| Halogen Content | F/Cl-containing |
Related Ethyl Standards
- Ethyl 3-chloro-2,4-difluorobenzoate (CAS 1097886-66-2)
- 1-(4-Chloro-2-(difluoromethoxy)phenyl)ethanone (CAS 110760-05-9)
- 2-Chloro-1-(4-(difluoromethoxy)phenyl)ethanone (CAS 1214341-01-1)
- Ethyl 5-chloro-2,3-difluorobenzoate (CAS 1214361-29-1)
- 2-Chloro-1-(3-(difluoromethoxy)phenyl)ethan-1-one (CAS 1214377-17-9)
- Ethyl 5-chloro-2,4-difluorobenzoate (CAS 1239592-10-9)
- Methyl 2-chloro-2-(2,4-difluorophenyl)acetate (CAS 1247585-58-5)
- 1-[5-chloro-2-(difluoromethoxy)phenyl]ethan-1-one (CAS 1250157-06-2)
Recommended Standards
- 4-Ethoxy-2,3-difluorobenzoyl chloride (CAS 761459-04-5)
- Ethyl 3-chloro-2,6-difluorobenzoate (CAS 773135-47-0)
- 4-Chloro-2,5-difluorobenzoic acid ethyl ester (CAS 879093-03-5)
- Ethyl 4-chloro-2,6-difluorobenzoate (CAS 773139-38-1)
- (3Z)-3-[(3-Chlorophenyl)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one (CAS 303984-49-8)
- 4-(4-Fluorobenzoyl)-N-(4-methoxybenzyl)-1H-pyrrole-2-carboxamide (CAS 439111-54-3)
- 5-(4-Methoxyphenyl)-4-((4-(trifluoromethyl)phenyl)diazenyl)-1H-pyrazole (CAS 338414-26-9)
- 2-(3-(4-Fluorophenyl)oxetan-3-yl)acetic acid (CAS 1903709-22-7)
- Cefotaxime Impurity 86 (CAS CATO-C4X-120186)
- n-(4-Cyanophenyl)thiophene-2-carboxamide (CAS 137272-71-0)
- 2-Iodo-3-methoxy-6-nitropyridine (CAS 115170-07-5)
- 2-(4-Chloro-2-methylphenoxy)-2-methylpropanoic acid (CAS 42936-88-9)
- N-Hydroxy Ropinirole (CAS 954117-22-7)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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