(E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime CAS 477709-11-8

Purity 97%+In StockPharmaceutical Standards
CAS No.477709-11-8
Molecular FormulaC12H10Cl2N4O2
Molecular Weight313.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime CAS 477709-11-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 313.14 g/mol gives (E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime (CAS 477709-11-8), a certified reference material (molecular formula C12H10Cl2N4O2, MW 313.14 g/mol) for analytical method development and quality control.

Based on its molecular formula C12H10Cl2N4O2, (E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 313.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures (E)-5-chloro-1,3-dimethyl-1H-pyrazole-4-carbaldehyde O-(6-chloronicotinoyl) oxime 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 FormulaC12H10Cl2N4O2
Molecular Weight313.14 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 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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms4

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