4-(Pyren-1-ylmethylene)-2-(o-tolyl)oxazol-5(4H)-one CAS 88351-55-7
| CAS No. | 88351-55-7 |
| Molecular Formula | C27H17NO2 |
| Molecular Weight | 387.43 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 4-(Pyren-1-ylmethylene)-2-(o-tolyl)oxazol-5(4H)-one.
4-(Pyren-1-ylmethylene)-2-(o-tolyl)oxazol-5(4H)-one (CAS 88351-55-7), molecular formula C27H17NO2 and molecular weight 387.43 g/mol, is a CATO reference standard with documented purity and traceability.
4-(Pyren-1-ylmethylene)-2-(o-tolyl)oxazol-5(4H)-one (C27H17NO2) contains a steroid core, 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.
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), 4-(Pyren-1-ylmethylene)-2-(o-tolyl)oxazol-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 | C27H17NO2 |
| Molecular Weight | 387.43 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
Related Pyren Standards
- 4-(Pyren-1-ylmethylene)-2-(m-tolyl)oxazol-5(4H)-one (CAS 88351-56-8)
- 4-(Pyren-1-ylmethylene)-2-(p-tolyl)oxazol-5(4H)-one (CAS 71977-24-7)
- 2-(Pyren-1-ylaminocarbonyl)ethyl Methanethiosulfonate (CAS 384342-64-7)
- (3-(4-(Pyren-1-yl)butanoyl)phenyl)boronic acid (CAS 849611-34-3)
- 2-(Pyren-1-yl)-1,10-phenanthroline (CAS 197852-92-9)
- (2-((Methyl(pyren-2-ylmethyl)amino)methyl)phenyl)boronic acid (CAS 921198-26-7)
- 2-Phenyl-4-(pyren-1-ylmethylene)oxazol-5(4H)-one (CAS 71977-18-9)
- 10-(Pyren-1-yl)decanoic acid (CAS 60177-21-1)
Recommended Standards
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- 4-(((2-Ethoxyphenyl)amino)methyl)-6-hydroxy-7-phenyl-2H-chromen-2-one (CAS 859142-49-7)
- 4-HYdroxy-3-(4-methoxy-benzyl)-2-oxo-3,5,7,8-tetrahydro-2h-pyrido[4,3-d]pyrimidine-6-carboxylic acid tert-butyl ester (CAS 2092930-02-2)
- Methyl 2-(5-methyl-6-oxo-1,6-dihydropyridazin-3-yl)acetate (CAS 1408074-77-0)
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- 1-(Boc-amino)-3-bromo-1-(4-fluorophenyl)propane (CAS 924817-75-4)
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- 3-Methyl-5-(prop-1-en-2-yl)-2,3-dihydrobenzofuran-6-ol (CAS 199991-76-9)
- Methyl 5-bromo-3-methylbenzofuran-2-carboxylate (CAS 907945-59-9)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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