(1E)-N-(4-Methylphenyl)-2-oxopropanehydrazonoyl chloride CAS 18440-55-6

Purity 97%+In StockPharmaceutical Standards
CAS No.18440-55-6
Molecular FormulaC10H11ClN2O
Molecular Weight210.66 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1E)-N-(4-Methylphenyl)-2-oxopropanehydrazonoyl chloride CAS 18440-55-6 chemical structure

Description

The occurrence of (1E)-N-(4-Methylphenyl)-2-oxopropanehydrazonoyl chloride is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(1E)-N-(4-Methylphenyl)-2-oxopropanehydrazonoyl chloride (CAS 18440-55-6) is a high-purity analytical reference standard with the molecular formula C10H11ClN2O and a molecular weight of 210.66 g/mol.

Based on its molecular formula C10H11ClN2O, (1E)-N-(4-Methylphenyl)-2-oxopropanehydrazonoyl chloride 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 210.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

As a certified reference material (CRM), (1E)-N-(4-Methylphenyl)-2-oxopropanehydrazonoyl chloride 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 FormulaC10H11ClN2O
Molecular Weight210.66 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Halogen ContentCl-containing
Nitrogen Atoms2

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