5-Methoxy-2-(5-methyl-4-(4-nitrophenoxy)-1H-pyrazol-3-yl)phenol CAS 394237-90-2

Purity 97%+In StockPharmaceutical Standards
CAS No.394237-90-2
Molecular FormulaC17H15N3O5
Molecular Weight341.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Methoxy-2-(5-methyl-4-(4-nitrophenoxy)-1H-pyrazol-3-yl)phenol CAS 394237-90-2 chemical structure

Description

The occurrence of 5-Methoxy-2-(5-methyl-4-(4-nitrophenoxy)-1H-pyrazol-3-yl)phenol is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

5-Methoxy-2-(5-methyl-4-(4-nitrophenoxy)-1H-pyrazol-3-yl)phenol (CAS 394237-90-2), molecular formula C17H15N3O5 and molecular weight 341.32 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 5-Methoxy-2-(5-methyl-4-(4-nitrophenoxy)-1H-pyrazol-3-yl)phenol (C17H15N3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 341.32 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.

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

As a certified reference material (CRM), 5-Methoxy-2-(5-methyl-4-(4-nitrophenoxy)-1H-pyrazol-3-yl)phenol 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 FormulaC17H15N3O5
Molecular Weight341.32 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3

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