3-Methyl-6-phenylisoxazolo[5,4-b]pyridin-4-ol CAS 61658-63-7

Purity 97%+In StockPharmaceutical Standards
CAS No.61658-63-7
Molecular FormulaC13H10N2O2
Molecular Weight226.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-6-phenylisoxazolo[5,4-b]pyridin-4-ol CAS 61658-63-7 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 3-Methyl-6-phenylisoxazolo[5,4-b]pyridin-4-ol.

CATO supplies 3-Methyl-6-phenylisoxazolo[5,4-b]pyridin-4-ol (CAS 61658-63-7), a certified reference material (molecular formula C13H10N2O2, MW 226.23 g/mol) for analytical method development and quality control.

Structurally, 3-Methyl-6-phenylisoxazolo[5,4-b]pyridin-4-ol (C13H10N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 226.23 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.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

As a certified reference material (CRM), 3-Methyl-6-phenylisoxazolo[5,4-b]pyridin-4-ol 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 FormulaC13H10N2O2
Molecular Weight226.23 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Nitrogen Atoms2

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