4,5-Difluoro-2-formylbenzoic acid CAS 1374150-50-1
| CAS No. | 1374150-50-1 |
| Molecular Formula | C8H4F2O3 |
| Molecular Weight | 186.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Difluoro-2-formylbenzoic acid (CAS 1374150-50-1), molecular formula C8H4F2O3 and molecular weight 186.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,5-Difluoro-2-formylbenzoic acid (C8H4F2O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 186.11 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 4,5-Difluoro-2-formylbenzoic acid 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 | C8H4F2O3 |
| Molecular Weight | 186.11 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.) | 1991 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2,4-Difluoro-5-formylbenzoic acid (CAS 1162674-68-1)
- 2,4-Difluoro-3-formyl-benzoic Acid (CAS 1203662-27-4)
- 2,4-Difluoro-3-formylbenzoic acid (CAS 1203662-77-4)
- 2,6-Difluoro-4-formylbenzoic acid (CAS 1242070-98-9)
- 2,6-Difluoro-3-formylbenzoic acid (CAS 1500192-09-5)
- 2,3-Difluoro-4-formylbenzoic acid (CAS 1897016-64-6)
- 2,5-Difluoro-3-formylbenzoic acid (CAS 2167760-60-1)
- 3,4-Difluoro-5-formylbenzoic acid (CAS 2386498-20-8)
Recommended Standards
- 2-(2,6-Difluorophenyl)-2-oxoacetic acid (CAS 132115-70-9)
- 2,5-Fifluoro-4-formylbenzoic acid (CAS 1890953-67-9)
- 2-(2,4-Difluorophenyl)-2-oxoacetic acid (CAS 79477-89-7)
- 2-(3,4-Difluorophenyl)-2-oxoacetic acid (CAS 890097-94-6)
- 5-Bromo-3-[2-(pyridin-3-yl)pyrrolidin-1-yl]pyrazin-2-amine (CAS 893612-17-4)
- 3-Octyl-3-azabicyclo[3.1.0]hexane-2,4-dione (CAS 205118-50-9)
- Afzelin Impurity 6 (CAS 77307-50-7)
- 1-(3,5-Difluorophenyl)-5-(pyridin-2-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1338662-17-1)
- 1-(2,3-Dihydro-1h-inden-1-yl)-2,2,2-trifluoroethan-1-one (CAS 2091609-69-5)
- 7-methyl-2-oxo-3,6-dihydropyrrolo[2,3-g][1,3]benzoxazole-8-carboxylic acid (CAS 1465565-65-4)
- 4-{[2-(Trifluoromethyl)pyrimidin-4-yl]oxy}benzenesulfonyl chloride (CAS 1215542-63-4)
- (1S,2S)-2-phenoxycyclopentan-1-amine (CAS 1951372-16-9)
- ((6-(Acryloyloxy)hexanoyl)azanediyl)bis(ethane-2,1-diyl) diacrylate (CAS 66028-32-8)
- Fibrinogen-Binding Peptide (CAS 137235-80-4)
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