[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)isoxazol-3-yl]acetic acid CAS 1018663-30-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1018663-30-3
Molecular FormulaC13H11NO5
Molecular Weight261.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)isoxazol-3-yl]acetic acid CAS 1018663-30-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 261.23 g/mol gives [5-(2,3-Dihydro-1,4-benzodioxin-6-yl)isoxazol-3-yl]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

[5-(2,3-Dihydro-1,4-benzodioxin-6-yl)isoxazol-3-yl]acetic acid (CAS 1018663-30-3), molecular formula C13H11NO5 and molecular weight 261.23 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of [5-(2,3-Dihydro-1,4-benzodioxin-6-yl)isoxazol-3-yl]acetic acid (C13H11NO5) 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. 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), [5-(2,3-Dihydro-1,4-benzodioxin-6-yl)isoxazol-3-yl]acetic acid 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 FormulaC13H11NO5
Molecular Weight261.23 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 methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms1

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