2-(4-Methoxyphenyl)benzo[d]oxazole-5-carbaldehyde CAS 1266978-20-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1266978-20-4
Molecular FormulaC15H11NO3
Molecular Weight253.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Methoxyphenyl)benzo[d]oxazole-5-carbaldehyde CAS 1266978-20-4 chemical structure

Description

The occurrence of 2-(4-Methoxyphenyl)benzo[d]oxazole-5-carbaldehyde is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

2-(4-Methoxyphenyl)benzo[d]oxazole-5-carbaldehyde (CAS 1266978-20-4), molecular formula C15H11NO3 and molecular weight 253.25 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C15H11NO3, 2-(4-Methoxyphenyl)benzo[d]oxazole-5-carbaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC15H11NO3
Molecular Weight253.25 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms1

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