2-(4-(3-Acetamidophenyl)-1H-pyrazol-1-yl)isonicotinic Acid CAS 1798043-17-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1798043-17-0
Molecular FormulaC17H14N4O3
Molecular Weight322.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-(3-Acetamidophenyl)-1H-pyrazol-1-yl)isonicotinic Acid CAS 1798043-17-0 chemical structure

Description

2-(4-(3-Acetamidophenyl)-1H-pyrazol-1-yl)isonicotinic Acid (CAS 1798043-17-0), molecular formula C17H14N4O3 and molecular weight 322.32 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 2-(4-(3-Acetamidophenyl)-1H-pyrazol-1-yl)isonicotinic Acid (C17H14N4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 322.32 g/mol, it falls into the moderately-high-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), 2-(4-(3-Acetamidophenyl)-1H-pyrazol-1-yl)isonicotinic 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 FormulaC17H14N4O3
Molecular Weight322.32 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Nitrogen Atoms4

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