2H-Oxazolo[4,5-f]isoindole CAS 42394-83-2

Purity 97%+In StockPharmaceutical Standards
CAS No.42394-83-2
Molecular FormulaC9H6N2O
Molecular Weight158.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2H-Oxazolo[4,5-f]isoindole CAS 42394-83-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 158.16 g/mol gives 2H-Oxazolo[4,5-f]isoindole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2H-Oxazolo[4,5-f]isoindole (CAS 42394-83-2) is a high-purity analytical reference standard with the molecular formula C9H6N2O and a molecular weight of 158.16 g/mol.

The molecular framework of 2H-Oxazolo[4,5-f]isoindole (C9H6N2O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 FormulaC9H6N2O
Molecular Weight158.16 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1969
Nitrogen Atoms2

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