2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide CAS 1000574-24-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1000574-24-2
Molecular FormulaC11H11N5O4
Molecular Weight277.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide CAS 1000574-24-2 chemical structure

Description

As a certified reference material (CRM), 2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide 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.

2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide (CAS 1000574-24-2) is a high-purity analytical reference standard with the molecular formula C11H11N5O4 and a molecular weight of 277.24 g/mol.

Structurally, 2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide (C11H11N5O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 277.24 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.

Physical & Chemical Properties

Molecular FormulaC11H11N5O4
Molecular Weight277.24 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, ethanol, DMSO
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 Atoms5

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