4-(4-Chlorophenyl)-3-methyl-1-(3-nitrophenyl)-1H-pyrazol-5-amine CAS 321385-91-5

Purity 97%+In StockPharmaceutical Standards
CAS No.321385-91-5
Molecular FormulaC16H13ClN4O2
Molecular Weight328.75 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorophenyl)-3-methyl-1-(3-nitrophenyl)-1H-pyrazol-5-amine CAS 321385-91-5 chemical structure

Description

Order 4-(4-Chlorophenyl)-3-methyl-1-(3-nitrophenyl)-1H-pyrazol-5-amine (CAS 321385-91-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H13ClN4O2. Molecular weight: 328.75 g/mol. COA included with every batch.

Physical & Chemical Properties

Molecular FormulaC16H13ClN4O2
Molecular Weight328.75 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4

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