4-Isocyanobenzonitrile CAS 2980-80-5

Purity 97%+In StockPharmaceutical Standards
CAS No.2980-80-5
Molecular FormulaC8H4N2
Molecular Weight128.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Isocyanobenzonitrile CAS 2980-80-5 chemical structure

Description

4-Isocyanobenzonitrile (CAS 2980-80-5), molecular formula C8H4N2 and molecular weight 128.13 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C8H4N2, 4-Isocyanobenzonitrile contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 128.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), 4-Isocyanobenzonitrile 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 FormulaC8H4N2
Molecular Weight128.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

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