Malononitrile, (3-pyridylmethylene)- CAS 7424-56-8

Purity 97%+In StockPharmaceutical Standards
CAS No.7424-56-8
Molecular FormulaC9H5N3
Molecular Weight155.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Malononitrile, (3-pyridylmethylene)- CAS 7424-56-8 chemical structure

Description

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.

Malononitrile, (3-pyridylmethylene)- (CAS 7424-56-8), molecular formula C9H5N3 and molecular weight 155.16 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, Malononitrile, (3-pyridylmethylene)- (C9H5N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 155.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), Malononitrile, (3-pyridylmethylene)- 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 FormulaC9H5N3
Molecular Weight155.16 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
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)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959
Nitrogen Atoms3

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