(4-Ethylphenyl)(oxazol-2-yl)methanone CAS 898760-05-9
| CAS No. | 898760-05-9 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (4-Ethylphenyl)(oxazol-2-yl)methanone 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.
(4-Ethylphenyl)(oxazol-2-yl)methanone (CAS 898760-05-9), molecular formula C12H11NO2 and molecular weight 201.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4-Ethylphenyl)(oxazol-2-yl)methanone (C12H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 201.22 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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 Ethylphenyl Standards
- 5-(4-Ethylphenyl)oxazole-2-carbaldehyde (CAS 1352503-88-8)
- 1-(2-Ethylphenyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 1486425-01-7)
- 1-(4-Ethylphenyl)-1H-1,2,3-triazole-4-carbaldehyde (CAS 1490663-53-0)
- 1-(2-Ethylphenyl)-1H-pyrrole-2,5-dione (CAS 91569-16-3)
- 1-(4-Ethylphenyl)-1H-pyrrole-2,5-dione (CAS 76620-00-3)
- 2-(2-Ethylphenyl)oxazole-4-carbaldehyde (CAS 885274-24-8)
- 2-(3-Ethylphenyl)oxazole-4-carbaldehyde (CAS 885273-23-4)
- 3-(4-Ethylphenyl)-4-methyl-1h-pyrazol-5-amine (CAS 1187767-20-9)
Recommended Standards
- (3,5-Dimethylphenyl)(oxazol-2-yl)methanone (CAS 898784-52-6)
- (4R)-4-phenyl-3-(1,2-propadienyl)-2-Oxazolidinone (CAS 256382-50-0)
- (3,5-Dimethyl-1H-pyrazol-1-yl)(pyridin-4-yl)methanone (CAS 42329-05-5)
- (4S)-4-phenyl-3-(1,2-propadienyl)-2-Oxazolidinone (CAS 845885-63-4)
- S-(2-Hydroxyethyl)dipropylcarbamothioate (CAS 65109-71-9)
- N-Methoxy-N,4-dimethyl-1-naphthamide (CAS 1807542-90-0)
- 6-(3-MEthoxyphenoxy)pyridin-3-ol (CAS 1394954-82-5)
- 1-(2,5-Difluorophenyl)butan-1-one (CAS 55787-96-7)
- Tert-butyl n-{9-aminobicyclo[3.3.1]nonan-3-yl}carbamate (CAS 1172268-86-8)
- 5,6-Diethyl-3-(methylsulfanyl)-1,2,4-triazine (CAS 1865231-93-1)
- 2-(3-Chlorophenyl)-4-Methylsulfanyl-6-[3-(Trifluoromethyl)Phenyl]Pyridine (CAS 144320-18-3)
- Quinoline-5,8-diol (CAS 20947-39-1)
- Etomidate Impurity 22 (CAS CATO-C4X-188422)
- (Ser(PO?H?)3??·???)-Tau Peptide (379-408) trifluoroacetate salt (CAS 2022956-60-9)
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