5-Amino-3-methylisoxazole-4-carbonitrile CAS 35261-01-9

Purity 97%+In StockPharmaceutical Standards
CAS No.35261-01-9
Molecular FormulaC5H5N3O
Molecular Weight123.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Amino-3-methylisoxazole-4-carbonitrile CAS 35261-01-9 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 5-Amino-3-methylisoxazole-4-carbonitrile.

CATO supplies 5-Amino-3-methylisoxazole-4-carbonitrile (CAS 35261-01-9), a certified reference material (molecular formula C5H5N3O, MW 123.11 g/mol) for analytical method development and quality control.

Structurally, 5-Amino-3-methylisoxazole-4-carbonitrile (C5H5N3O) contains an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 123.11 g/mol, it falls into the low-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), 5-Amino-3-methylisoxazole-4-carbonitrile 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 FormulaC5H5N3O
Molecular Weight123.11 g/mol
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)5.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1967
Nitrogen Atoms3

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