2-Hydroxy-5-(trifluoromethyl)benzaldehyde CAS 210039-65-9
| CAS No. | 210039-65-9 |
| Molecular Formula | C8H5F3O2 |
| Molecular Weight | 190.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 2-Hydroxy-5-(trifluoromethyl)benzaldehyde is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 190.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-Hydroxy-5-(trifluoromethyl)benzaldehyde (CAS 210039-65-9), molecular formula C8H5F3O2 and molecular weight 190.12 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-Hydroxy-5-(trifluoromethyl)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 | C8H5F3O2 |
| Molecular Weight | 190.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 2017 |
| Halogen Content | F-containing |
Related Hydroxy Standards
- 3-Hydroxy-4-(trifluoromethyl)benzaldehyde (CAS 1243282-07-6)
- 3-Hydroxy-5-(trifluoromethyl)benzaldehyde (CAS 1243312-51-7)
- 3-Hydroxy-2-(trifluoromethyl)benzaldehyde (CAS 1243347-83-2)
- 4-Hydroxy-2-(trifluoromethyl)benzaldehyde (CAS 1243395-68-7)
- 5-Hydroxy-2-(trifluoromethyl)benzaldehyde (CAS 1243458-25-4)
- 4-Hydroxy-3-(trifluoromethyl)benzaldehyde (CAS 220227-98-5)
- 2-hydroxy-4-(trifluoromethyl)benzaldehyde (CAS 58914-34-4)
- 5-Hydroxy-4-oxo-4H-chromene-3-carbaldehyde (CAS 153474-15-8)
Recommended Standards
- 2-Amino-6-(trifluoromethyl)pyridine-3-carbaldehyde (CAS 890302-67-7)
- 2-Methyl-6-(trifluoromethyl)pyrimidine-4-carbaldehyde (CAS 933726-58-0)
- 2-amino-5-(trifluoromethyl)nicotinaldehyde (CAS 944904-70-5)
- 3-(5-(Trifluoromethyl)isoxazol-4-yl)propanenitrile (CAS 220370-60-5)
- (2-Isocyanoethyl)-benzene (CAS 59795-89-0)
- (2-Bromo-3-fluorophenyl)methanesulfonyl chloride (CAS 1507690-74-5)
- 4-chloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidin-2-amine (CAS 90358-16-0)
- 1-(2-(6-Isopropoxypyridin-3-yl)pyrrolidin-1-yl)ethanone (CAS 1352489-91-8)
- Methyl 3-iodo-4-((2-phenylallyl)oxy)benzoate (CAS 2030425-62-6)
- 5,6,7,8-Tetrahydroimidazo[1,5-a]pyrazin-3-amine dihydrochloride (CAS 165894-32-6)
- 1-Ethyl-4-iodo-5-(propoxymethyl)-1H-pyrazole (CAS 1856099-23-4)
- 7-(ethanesulfonyl)-3H,4H,5H,6H,7H,8H-pyrido[3,4-d]pyrimidin-4-one (CAS 1803591-27-6)
- 4-(1-Methyl-1h-pyrazol-4-yl)butan-2-ol (CAS 1343949-71-2)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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