3-Ethyl-2-(2-methoxyphenyl)-5-(phenylamino)-2H-indazole-4,7-dione CAS 62370-36-9

Purity 97%+In StockPharmaceutical Standards
CAS No.62370-36-9
Molecular FormulaC22H19N3O3
Molecular Weight373.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Ethyl-2-(2-methoxyphenyl)-5-(phenylamino)-2H-indazole-4,7-dione CAS 62370-36-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 373.40 g/mol gives 3-Ethyl-2-(2-methoxyphenyl)-5-(phenylamino)-2H-indazole-4,7-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 3-Ethyl-2-(2-methoxyphenyl)-5-(phenylamino)-2H-indazole-4,7-dione (CAS 62370-36-9), a certified reference material (molecular formula C22H19N3O3, MW 373.40 g/mol) for analytical method development and quality control.

Structurally, 3-Ethyl-2-(2-methoxyphenyl)-5-(phenylamino)-2H-indazole-4,7-dione (C22H19N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 373.40 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 3-Ethyl-2-(2-methoxyphenyl)-5-(phenylamino)-2H-indazole-4,7-dione 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 FormulaC22H19N3O3
Molecular Weight373.40 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1974
Nitrogen Atoms3

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