4-(3-Methylcyclohexylidene)-2-phenyloxazol-5(4H)-one CAS 31882-39-0
| CAS No. | 31882-39-0 |
| Molecular Formula | C16H17NO2 |
| Molecular Weight | 255.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Methylcyclohexylidene)-2-phenyloxazol-5(4H)-one (C16H17NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4-(3-Methylcyclohexylidene)-2-phenyloxazol-5(4H)-one (CAS 31882-39-0), molecular formula C16H17NO2 and molecular weight 255.31 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.
CATO manufactures 4-(3-Methylcyclohexylidene)-2-phenyloxazol-5(4H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H17NO2 |
| Molecular Weight | 255.31 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 1 |
Related Methylcyclohexylidene Standards
- methyl 2-(2-methylcyclohexylidene)acetate (CAS 2208-95-9)
- Methyl 2-(4-methylcyclohexylidene)acetate (CAS 54263-85-3)
- 2-(2-Methylcyclohexylidene)propanedinitrile (CAS 13017-64-6)
- 2-(4-Methylcyclohexylidene)propanedinitrile (CAS 184648-01-9)
- 2-(4-Methylcyclohexylidene)acetic acid (CAS 77842-31-0)
- 2-(2-Methylcyclohexylidene)acetaldehyde (CAS 7071-16-1)
- (S)-2-(4-Methylcyclohexylidene)acetonitrile (CAS 102633-45-4)
- 2-(4-Methylcyclohexylidene)acetonitrile (CAS 54353-77-4)
Recommended Standards
- 4-(2-Methylphenyl)-L-phenylalanine (CAS 758685-64-2)
- 4-(4-Fluorophenyl)-2-phenyl-1,3-thiazole (CAS 329079-72-3)
- 4-(2-(2-(2-Methoxyethoxy)ethoxy)ethoxy)aniline (CAS 355116-94-8)
- 4-(4-Methylpiperidin-1-yl)quinazoline-6-carbaldehyde (CAS 648449-22-3)
- 2-Chloro-N-(2-((6-(pyridin-4-ylamino)pyridazin-3-yl)amino)ethyl)benzamide (CAS 1021039-07-5)
- Ethyl 5-oxo-5-(pyridin-3-yl)pentanoate (CAS 22971-47-7)
- 2-((Ethyl(1-methoxypropan-2-yl)amino)methyl)benzonitrile (CAS 1252261-74-7)
- 10-Methylbenz[a]anthracene (CAS 2381-15-9)
- 3-acetyl-4-aminobenzoic acid methyl ester (CAS 111714-47-7)
- 2-(Chloromethyl)-4-(difluoromethyl)-5-fluoropyridine-3-carboxaldehyde (CAS 1805527-31-4)
- Methyl 3-amino-5,6-dimethylpyrazine-2-carboxylate (CAS 6294-72-0)
- Methyl 5-methoxy-2-(2-methoxy-2-oxoethyl)benzoate (CAS 255376-41-1)
- 3-Amino-7-chloroisoquinolin-1(2H)-one (CAS 76254-32-5)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com