2-Phenyloxazol-5(4H)-one CAS 1199-01-5
| CAS No. | 1199-01-5 |
| Molecular Formula | C9H7NO2 |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Phenyloxazol-5(4H)-one (C9H7NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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.
2-Phenyloxazol-5(4H)-one (CAS 1199-01-5) is a high-purity analytical reference standard with the molecular formula C9H7NO2 and a molecular weight of 161.16 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-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 | C9H7NO2 |
| Molecular Weight | 161.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Phenyloxazol Standards
- 5-Phenyloxazol-2-ol (CAS 17107-25-4)
- 4-Phenyloxazol-5(4H)-one (CAS 526213-02-5)
- 5-Phenyloxazol-4-amine (CAS 124005-88-5)
- 4-Phenyloxazol-5-amine (CAS 856989-55-4)
- (5-Phenyloxazol-2-yl)methanamine (CAS 112206-31-2)
- (2-Phenyloxazol-4-yl)methanamine (CAS 408352-90-9)
- (2-Phenyloxazol-5-yl)methanamine (CAS 838892-98-1)
- (5-Phenyloxazol-4-yl)methanamine (CAS 933694-58-7)
Recommended Standards
- Methyl 3-ethynylisonicotinate (CAS 1196156-21-4)
- 1-Methyl-1H-benzo[d][1,2,3]triazole-7-carbaldehyde (CAS 120321-75-7)
- Methyl 4-ethynylpyridine-2-carboxylate (CAS 1196151-91-3)
- 1h-Indazole-4-carboxamide (CAS 1203579-36-5)
- 2-Amino-4-fluoro-5-((1-(tetrahydrofuran-2-yl)ethyl)amino)benzoic acid (CAS 1455118-15-6)
- 3-amino-N-{2-[(2-methoxyethyl)(methyl)amino]ethyl}benzene-1-sulfonamide (CAS 1492079-74-9)
- 4-(4-Hydroxymethylphenoxy)benzoic acid methyl ester (CAS 158770-93-5)
- (4-Bromo-1-fluoronaphthalen-2-yl)(methyl)sulfane (CAS 2624417-14-5)
- 3-Amino-4-(dimethylamino)-6-methyl-2H-chromen-2-one (CAS 1394023-45-0)
- 4-amino-6-(pyridin-4-yl)pyridazin-3-ol (CAS 80843-53-4)
- Bis(3-chlorophenyl)-1H-1,2,3,4-tetrazole (CAS 338411-24-8)
- 3-(Dimethylamino)-4-methoxybenzoic acid (CAS 197500-33-7)
- 2-(Cbz-Aminomethyl)pyrrolidine hydrochloride (CAS 1179361-55-7)
- Glucagon (19-29) (human, rat, porcine) (CAS 64790-15-4)
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