(Z)-4-(2,5-difluorobenzylidene)-2-methyloxazol-5(4h)-one CAS 1017294-08-4
| CAS No. | 1017294-08-4 |
| Molecular Formula | C11H7F2NO2 |
| Molecular Weight | 223.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (Z)-4-(2,5-difluorobenzylidene)-2-methyloxazol-5(4h)-one.
(Z)-4-(2,5-difluorobenzylidene)-2-methyloxazol-5(4h)-one (CAS 1017294-08-4) is a high-purity analytical reference standard with the molecular formula C11H7F2NO2 and a molecular weight of 223.18 g/mol.
Structurally, (Z)-4-(2,5-difluorobenzylidene)-2-methyloxazol-5(4h)-one (C11H7F2NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. 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 223.18 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (Z)-4-(2,5-difluorobenzylidene)-2-methyloxazol-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 | C11H7F2NO2 |
| Molecular Weight | 223.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Z Standards
- 4-(3,4-Difluorobenzylidene)-2-methyloxazol-5(4H)-one (CAS 182009-50-3)
- 4-(2,4-Difluorobenzylidene)-2-methyloxazol-5(4H)-one (CAS 831191-79-8)
- 2-(2,3-Difluorobenzylidene)malononitrile (CAS 674801-23-1)
- (E)-4-(2,4-Difluorobenzylidene)-2-phenyloxazol-5(4H)-one (CAS 676529-99-0)
- N'-(2,3-difluorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 2432855-02-0)
- N'-(2,4-difluorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 454675-05-9)
- N'-(2,6-difluorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 2062613-30-1)
- N'-(3,4-difluorobenzylidene)-4-methylbenzenesulfonohydrazide (CAS 457607-49-7)
Recommended Standards
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- 2-(5,7-Difluoroquinolin-6-yl)acetic acid (CAS 1022091-46-8)
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