1-(3-Nitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid CAS 62160-88-7

Purity 97%+In StockPharmaceutical Standards
CAS No.62160-88-7
Molecular FormulaC16H11N3O4
Molecular Weight309.28 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(3-Nitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid CAS 62160-88-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 309.28 g/mol gives 1-(3-Nitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

1-(3-Nitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid (CAS 62160-88-7) is a high-purity analytical reference standard with the molecular formula C16H11N3O4 and a molecular weight of 309.28 g/mol.

Structurally, 1-(3-Nitrophenyl)-5-phenyl-1H-pyrazole-3-carboxylic acid (C16H11N3O4) contains a flavonoid 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 309.28 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 1-(3-Nitrophenyl)-5-phenyl-1H-pyrazole-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 FormulaC16H11N3O4
Molecular Weight309.28 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.)1974
Nitrogen Atoms3

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