(1E)-N-Phenyl-1-(thiophen-2-yl)methanimine CAS 1191913-61-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1191913-61-7
Molecular FormulaC11H9NS
Molecular Weight187.26 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1E)-N-Phenyl-1-(thiophen-2-yl)methanimine CAS 1191913-61-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 187.26 g/mol gives (1E)-N-Phenyl-1-(thiophen-2-yl)methanimine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(1E)-N-Phenyl-1-(thiophen-2-yl)methanimine (CAS 1191913-61-7), molecular formula C11H9NS and molecular weight 187.26 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H9NS, (1E)-N-Phenyl-1-(thiophen-2-yl)methanimine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.26 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC11H9NS
Molecular Weight187.26 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms1
Sulfur Atoms1

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