5-Chloro-2-((3,5-difluorobenzyl)oxy)benzaldehyde CAS 1443324-71-7
| CAS No. | 1443324-71-7 |
| Molecular Formula | C14H9ClF2O2 |
| Molecular Weight | 282.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chloro-2-((3,5-difluorobenzyl)oxy)benzaldehyde (C14H9ClF2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 282.67 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-Chloro-2-((3,5-difluorobenzyl)oxy)benzaldehyde (CAS 1443324-71-7), molecular formula C14H9ClF2O2 and molecular weight 282.67 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-Chloro-2-((3,5-difluorobenzyl)oxy)benzaldehyde 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 | C14H9ClF2O2 |
| Molecular Weight | 282.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 5-Chloro-2-((2,5-difluorobenzyl)oxy)benzaldehyde (CAS 1275832-49-9)
- 2-Chloro-2,2-difluoro-1-(4-phenoxyphenyl)ethan-1-one (CAS 1352225-84-3)
- 5-Chloro-2-((3,4-difluorobenzyl)oxy)benzaldehyde (CAS 1443351-77-6)
- Methyl 4-(3-chloro-5-fluorophenyl)-3-fluorobenzoate (CAS 1621256-29-8)
- Methyl 4-(3-chloro-4-fluorophenyl)-3-fluorobenzoate (CAS 1820607-54-2)
- Methyl 2-chloro-4-(2,4-difluorophenyl)benzoate (CAS 1820705-05-2)
- Methyl 2-chloro-4-(3,4-difluorophenyl)benzoate (CAS 1820734-40-4)
- 5-Chloro-2-((2,4-difluorobenzyl)oxy)benzaldehyde (CAS 632625-91-3)
Recommended Standards
- Methyl 5-(chlorosulfonyl)-3-fluoro-2-methoxybenzoate (CAS 1375474-70-6)
- Methyl 2-(4-(chlorosulfonyl)-2-fluorophenoxy)acetate (CAS 1291488-79-3)
- (3-Chlorophenyl)(3-(difluoromethoxy)phenyl)methanone (CAS 1712958-76-3)
- N-(4-aminophenyl)-2-chloro-4,5-difluorobenzamide (CAS 1087448-65-4)
- 3-Cyano-5-fluorobenzeneboronic acid pinacol ester, 97% (CAS 935685-88-4)
- 2-(4-((4-Methoxyphenyl)ethynyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1190376-24-9)
- N-(1-Benzylpyrrolidin-3-yl)-2-fluorobenzamide (CAS 1031205-66-9)
- Desogestrel EP Impurity E/Desogestrel USP RC B (CAS 70805-85-5)
- 1-(4-(Trifluoromethyl)phenyl)homopiperazine (CAS 868063-79-0)
- 10,11-Dihydro-dibenzo[b,f][1,4]oxazepine (CAS 2244-60-2)
- n-(2-Bromo-4-fluorophenyl)-2-(2-oxopyrrolidin-1-yl)acetamide (CAS 1094384-58-3)
- N-(2-((2-(dimethylamino)ethyl)carbamoyl)phenyl)thiophene-2-carboxamide (CAS 947031-38-1)
- 9-Cyclopentyl-9H-purin-6-amine (CAS 715-91-3)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
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