4-Chloro-3-fluoro-2-formylbenzoic acid CAS 2248375-49-5
| CAS No. | 2248375-49-5 |
| Molecular Formula | C8H4ClFO3 |
| Molecular Weight | 202.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-Chloro-3-fluoro-2-formylbenzoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Chloro-3-fluoro-2-formylbenzoic acid (CAS 2248375-49-5), molecular formula C8H4ClFO3 and molecular weight 202.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H4ClFO3, 4-Chloro-3-fluoro-2-formylbenzoic acid contains 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 202.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-Chloro-3-fluoro-2-formylbenzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H4ClFO3 |
| Molecular Weight | 202.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 2-Chloro-6-fluoro-3-formylbenzoic acid (CAS 1131605-23-6)
- 2-(3-Chloro-5-fluorophenyl)-2-oxoacetic acid (CAS 1378877-51-0)
- 4-Chloro-2-fluoro-3-formylbenzoic acid (CAS 1533557-68-4)
- 2-(3-Chloro-4-fluorophenyl)-2-oxoacetic acid (CAS 773109-09-4)
- 2-Chloro-6-fluoro-4-formylbenzoic acid (CAS 2387347-74-0)
- 4-Chloro-3-fluoro-5-formylbenzoic acid (CAS 2384550-77-8)
- 5-Chloro-2-fluoro-3-formylbenzoic acid (CAS 2166733-68-0)
- 2-chloro-1-oxido-5-(trifluoromethyl)pyridin-1-ium (CAS 261956-65-4)
Recommended Standards
- 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-chloro-3-fluoro-1,6-dihydro-1-methyl- (CAS 2445845-24-7)
- Dimethyl ((2-chloroethoxy)methyl)phosphonate (CAS 126354-31-2)
- 3-(3,4-Difluorophenyl)acryloyl chloride (CAS 1043546-64-0)
- Tantalum boride (1:2) (CAS 12007-35-1)
- 3-chloro-6,7-dihydrocyclopenta[b]pyridin-5-one (CAS 1196156-78-1)
- 1,2-Bis(benzo[d][1,3]dioxol-5-yl)ethane-1,2-dione (CAS 4720-66-5)
- 4-Chloro-[1,2,5]thiadiazolo[3,4-c]pyridine (CAS 26271-17-0)
- 2,5-Dimethylpyrazine (CAS 123-32-0)
- tert-Butyl (3S,5R)-3-amino-5-hydroxypiperidine-1-carboxylate hydrochloride (CAS 1777812-67-5)
- 2-((4-Bromophenoxy)methyl)-4-propylmorpholine (CAS 1706446-65-2)
- 2-({[3-(benzyloxy)phenyl]amino}methylidene)-2,3-dihydro-1H-indene-1,3-dione (CAS 1022467-71-5)
- 4,6-Dichloro-N,N-dimethylpyrimidin-2-amine (CAS 5734-68-9)
- 6-Amino-3-methyl-3,4-dihydroquinazolin-4-one (CAS 16064-23-6)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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