5-tert-butyl-1,2,4-oxadiazole-3-carboxylic acid CAS 748743-73-9

Purity 97%+In StockPharmaceutical Standards
CAS No.748743-73-9
Molecular FormulaC7H14N2O3
Molecular Weight174.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-tert-butyl-1,2,4-oxadiazole-3-carboxylic acid CAS 748743-73-9 chemical structure

Description

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.

5-tert-butyl-1,2,4-oxadiazole-3-carboxylic acid (CAS 748743-73-9) is a high-purity analytical reference standard with the molecular formula C7H14N2O3 and a molecular weight of 174.20 g/mol.

Structurally, 5-tert-butyl-1,2,4-oxadiazole-3-carboxylic acid (C7H14N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 174.20 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.

CATO manufactures 5-tert-butyl-1,2,4-oxadiazole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC7H14N2O3
Molecular Weight174.20 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1986
Nitrogen Atoms2

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