(Z)-4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one CAS 67867-24-7
| CAS No. | 67867-24-7 |
| Molecular Formula | C13H13NO2 |
| Molecular Weight | 215.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 215.25 g/mol gives (Z)-4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (Z)-4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one (CAS 67867-24-7), a certified reference material (molecular formula C13H13NO2, MW 215.25 g/mol) for analytical method development and quality control.
Structurally, (Z)-4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one (C13H13NO2) contains a nitrogen-containing heterocyclic scaffold, 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 215.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (Z)-4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one 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 | C13H13NO2 |
| Molecular Weight | 215.25 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.) | 1976 |
| Nitrogen Atoms | 1 |
Related Z Standards
- (E)-4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one (CAS 67867-25-8)
- 4-(Butan-2-ylidene)-2-phenyloxazol-5(4H)-one (CAS 61548-98-9)
- (Butan-2-yl)[(2-chloro-6-fluorophenyl)methyl]amine (CAS 869945-18-6)
- (butan-2-yl)({[1,2,4]triazolo[4,3-a]pyridin-3-yl}methyl)amine (CAS 1042564-81-7)
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