Oxazol-2-yl(m-tolyl)methanone CAS 898759-56-3
| CAS No. | 898759-56-3 |
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Oxazol-2-yl(m-tolyl)methanone (CAS 898759-56-3), molecular formula C11H9NO2 and molecular weight 187.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Oxazol-2-yl(m-tolyl)methanone (C11H9NO2) 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 187.19 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H9NO2 |
| Molecular Weight | 187.19 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 Oxazol Standards
- 1-(5-phenyl-1,3-oxazol-2-yl)ethan-1-one (CAS 108665-59-4)
- 1-(2-phenyl-1,3-oxazol-5-yl)ethan-1-one (CAS 191925-66-3)
- 1-(3-Phenyl-1,2-oxazol-5-yl)ethan-1-one (CAS 2048-69-3)
- Oxazol-2-yl(o-tolyl)methanone (CAS 898759-53-0)
- 2-{[(5-methyl-1,2-oxazol-3-yl)methyl]sulfanyl}acetic acid (CAS 1018168-09-6)
- 2-(2-Phenyl-1,3-oxazol-4-yl)Ethylamine (CAS 803641-67-0)
- (4-(Oxazol-2-yl)phenyl)boronic acid (CAS 1082066-51-0)
- (3-(Oxazol-2-yl)phenyl)boronic acid (CAS 1283174-33-3)
Recommended Standards
- N-Phenylfuran-3-carboxamide (CAS 52109-86-1)
- N-Boc L-serine beta-lactone (CAS 98541-64-1)
- Quinolin-6-yl acetate (CAS 24306-33-0)
- Naphtho[2,3-d][1,3]dioxol-5-amine (CAS 53811-49-7)
- 3-Amino-6-methoxypicolinic acid (CAS 870971-19-0)
- 2,5-Dichloro-4-isopropoxypyrimidine (CAS 1351762-13-4)
- 2-propylazepane (CAS 13748-14-6)
- 1-(Thiophen-3-ylmethyl)pyrrolidine-3-carboxylic acid (CAS 1339533-96-8)
- Ethyl Vanillate (CAS 617-05-0)
- 5-(and-6)-Carboxytetramethylrhodamine, succinimidyl ester, mixed isomers (CAS 246256-50-8)
- 2-Amino-3-(4-fluoro-3,5-dimethylphenyl)propanoic acid (CAS 1259957-45-3)
- BMX-IN-1 N-[2-Methyl-5-[9-[4-[(methylsulfonyl)amino]phenyl]-2-oxobenzo[h]-1,6-naphthyridin-1(2H)-yl]phenyl]-2-propenamide 1431525-23-3 (CAS 1431525-23-3)
- 3-(3-furoylamino)propanoic acid (CAS 926213-24-3)
- Semaglutide Impurity 82 (CAS CATO-C4X-222682)
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