2-(4-Nitro-1h-pyrazol-1-yl)quinoxaline CAS 1423025-82-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1423025-82-4
Molecular FormulaC11H7N5O2
Molecular Weight241.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-Nitro-1h-pyrazol-1-yl)quinoxaline CAS 1423025-82-4 chemical structure

Description

2-(4-Nitro-1h-pyrazol-1-yl)quinoxaline (CAS 1423025-82-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H7N5O2. Molecular weight: 241.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H7N5O2
Molecular Weight241.21 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms5

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