2-(4-Chlorophenyl)oxazol-5(4H)-one CAS 22887-53-2
| CAS No. | 22887-53-2 |
| Molecular Formula | C9H6ClNO2 |
| Molecular Weight | 195.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(4-Chlorophenyl)oxazol-5(4H)-one (C9H6ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 195.60 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.
2-(4-Chlorophenyl)oxazol-5(4H)-one (CAS 22887-53-2) is a high-purity analytical reference standard with the molecular formula C9H6ClNO2 and a molecular weight of 195.60 g/mol.
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 2-(4-Chlorophenyl)oxazol-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 | C9H6ClNO2 |
| Molecular Weight | 195.60 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 3-(3-Chlorophenyl)-5-hydroxyisoxazole (CAS 1354923-77-5)
- 3-(2-Chlorophenyl)-5-hydroxyisoxazole (CAS 1354938-66-1)
- 5-(4-Chlorophenyl)isoxazol-3-ol (CAS 14723-58-1)
- 2-(3-Chlorophenyl)oxazol-5(4H)-one (CAS 75152-20-4)
- 3-(2-Chlorophenyl)isoxazol-5(4H)-one (CAS 27025-73-6)
- 3-(3-Chlorophenyl)isoxazol-5(4H)-one (CAS 51725-85-0)
- 3-(4-Chlorophenyl)-5-hydroxyisoxazole (CAS 862588-73-6)
- 3-(4-Chlorophenyl)isoxazol-5(2H)-one (CAS 467253-22-1)
Recommended Standards
- 2-(7-Chlorobenzo[d][1,3]dioxol-5-yl)acetonitrile (CAS 945244-08-6)
- 2-(3-Chloro-4-cyanophenyl)acetic acid (CAS 34841-48-0)
- 2-(Chloromethyl)-4h-3,1-benzoxazin-4-one (CAS 98592-35-9)
- 1-Oxoisoindoline-2-carbonyl chloride (CAS 74572-58-0)
- 3-Methoxytetrahydrofuran (CAS 19752-92-2)
- Benzo[h]quinolin-4-ol (CAS 23443-09-6)
- 1-[3-(Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-3-(trichloroacetyl)urea (CAS 2377612-05-8)
- 1-Triethylsilyl-1-heptyne (CAS 1047660-72-9)
- 3-(5-Chloro-2-fluorophenyl)-4,5,6,7-tetrahydro-1H-indazole (CAS 1447959-00-3)
- 1,2,5-Trimethylnaphthalene (CAS 641-91-8)
- Tert-butyl ((3S,5R)-5-fluoropiperidin-3-yl)(methyl)carbamate (CAS 2165780-51-6)
- Ceritinib Impurity 57 (CAS CATO-C4X-104857)
- tert-Butyl (4-(2-amino-N-ethylacetamido)cyclohexyl)carbamate (CAS 1353961-75-7)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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