5-Chloro-4-(difluoromethoxy)picolinaldehyde CAS 1807265-74-2
| CAS No. | 1807265-74-2 |
| Molecular Formula | C7H4ClF2NO2 |
| Molecular Weight | 207.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-4-(difluoromethoxy)picolinaldehyde 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.
5-Chloro-4-(difluoromethoxy)picolinaldehyde (CAS 1807265-74-2), molecular formula C7H4ClF2NO2 and molecular weight 207.56 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4ClF2NO2, 5-Chloro-4-(difluoromethoxy)picolinaldehyde contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H4ClF2NO2 |
| Molecular Weight | 207.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-6-(difluoromethyl)nicotinic acid (CAS 1105985-15-6)
- 2-Chloro-4,5-difluoro-3-methyl-1-nitrobenzene (CAS 114153-13-8)
- 4-Chloro-2-(difluoromethyl)-1-nitrobenzene (CAS 1221424-66-3)
- 5-Chloro-2-(difluoromethyl)nicotinic acid (CAS 1256794-46-3)
- 4-Chloro-6-(difluoromethyl)nicotinic acid (CAS 1256821-60-9)
- 1-Chloro-4-(difluoromethyl)-2-nitrobenzene (CAS 1261525-17-0)
- 4-Chloro-1-(difluoromethyl)-2-nitrobenzene (CAS 1261525-41-0)
- 1-Chloro-3-(difluoromethyl)-2-nitrobenzene (CAS 1261647-74-8)
Recommended Standards
- 4-Chloro-6-(difluoromethyl)-5-hydroxypicolinaldehyde (CAS 1807077-37-7)
- 2-(2-Chloropyridin-3-yl)-2,2-difluoroacetic acid (CAS 1823968-05-3)
- 4-Chloro-5-(difluoromethyl)-6-hydroxypicolinaldehyde (CAS 1806932-93-3)
- 3-Amino-2-chloro-4,5-difluorobenzoic acid (CAS 191873-07-1)
- N-Methyl-2-vinylbenzamide (CAS 27326-47-2)
- 2-((3-Ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(3-methoxyphenyl)acetamide (CAS 578734-75-5)
- (R)-2-(4-Fluorophenyl)-2-hydroxyacetic Acid (CAS 32222-45-0)
- 2-(3,5-dimethylphenyl)acetaldehyde (CAS 144164-15-8)
- 1-(tert-Butoxy)-4-cyclopropoxy-2-methylbenzene (CAS 1243356-09-3)
- 1-(4-Bromo-2,6-difluorophenyl)-3-(2-chloroethyl)urea (CAS 1427460-69-2)
- (E)-tert-butyl 2-((3-(2,3-bis((benzyloxy)carbonyl)guanidino)propyl)carbamoyl)piperidine-1-carboxylate (CAS 193286-99-6)
- 1-Methyl-5-nitro-1h-indole-3-carboxaldehyde (CAS 3558-10-9)
- 5α-ANDROSTAN-17α-OL (CAS 19037-37-7)
- Palmitoyl Tripeptide-1 TFA salt (CAS 2803375-47-3)
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