3-(3,5-Dimethylphenyl)isoxazole-5-carbaldehyde CAS 885273-60-9
| CAS No. | 885273-60-9 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3,5-Dimethylphenyl)isoxazole-5-carbaldehyde (CAS 885273-60-9), molecular formula C12H11NO2 and molecular weight 201.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-(3,5-Dimethylphenyl)isoxazole-5-carbaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 201.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), 3-(3,5-Dimethylphenyl)isoxazole-5-carbaldehyde 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 | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dimethylphenyl Standards
- 1-(2,4-Dimethylphenyl)-1H-pyrrole-2,5-dione (CAS 1080-52-0)
- 2-(3,5-dimethylphenyl)-2H-1,2,3-triazole-4-carbaldehyde (CAS 1249437-64-6)
- 5-(3,4-Dimethylphenyl)oxazole-2-carbaldehyde (CAS 1352496-45-7)
- 5-(2,4-Dimethylphenyl)oxazole-2-carbaldehyde (CAS 1352536-98-1)
- 1-(3,5-Dimethylphenyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 1479268-46-6)
- 1-(2,3-Dimethylphenyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 1489397-20-7)
- 1-(2,5-Dimethylphenyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 1492713-72-0)
- (2,5-Dimethylphenyl)(oxazol-2-yl)methanone (CAS 898784-46-8)
Recommended Standards
- 3-(3,4-Dimethyl-phenyl)-isoxazole-5-carbaldehyde (CAS 885273-72-3)
- 3-(3-Methylphenyl)-3-azabicyclo[3.1.0]hexane-2,4-dione (CAS 866150-76-7)
- 3-(2-Methylphenyl)-3-azabicyclo[3.1.0]hexane-2,4-dione (CAS 866151-72-6)
- 3-(4-Aminophenyl)-1H-pyrrole-2-carboxamide (CAS 902138-22-1)
- 8-Methyl-[1,2,4]triazolo[4,3-c]pyrimidin-5-ol (CAS 452323-85-2)
- 4-chloro-6-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 91862-35-0)
- Boc-D-Asp(OtBu)-OH · DCHA (CAS 200334-95-8)
- 2-Chloro-6-methyl-3-nitro-5,6,7,8-tetrahydroquinoline (CAS 1706449-95-7)
- 4-Chloro-2-(((2,4-difluorophenyl)amino)methyl)phenol (CAS 1019514-06-7)
- Methyl 2-aminothiazole-5-carboxylate hydrochloride (CAS 726185-57-5)
- (2R,4R)-1-acetyl-4-hydroxypyrrolidine-2-carboxylic acid (CAS 37712-75-7)
- methyl 3-(1-benzyl-1,2,3,6-tetrahydropyridin-4-yl)-1H-indole-5-carboxylate (CAS 1443979-96-1)
- Methyl 4-amino-3-[(methylcarbamoyl)methoxy]benzoate (CAS 1096309-23-7)
- Antistasin-Related Peptide (CAS 161561-46-2)
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