1-(2,4-Dichlorobenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid CAS 402601-89-2

Purity 97%+In StockPharmaceutical Standards
CAS No.402601-89-2
Molecular FormulaC11H7Cl2N3O4
Molecular Weight316.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(2,4-Dichlorobenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid CAS 402601-89-2 chemical structure

Description

1-(2,4-Dichlorobenzyl)-3-nitro-1H-pyrazole-5-carboxylic acid (CAS 402601-89-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H7Cl2N3O4. Molecular weight: 316.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC11H7Cl2N3O4
Molecular Weight316.10 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

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