5-[(Z)-2-(3-Methylphenyl)diazen-1-yl]-2-(pyridin-4-yl)-4-(thiophen-2-yl)pyrimidine CAS 339279-57-1

Purity 97%+In StockPharmaceutical Standards
CAS No.339279-57-1
Molecular FormulaC20H15N5S
Molecular Weight357.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-[(Z)-2-(3-Methylphenyl)diazen-1-yl]-2-(pyridin-4-yl)-4-(thiophen-2-yl)pyrimidine CAS 339279-57-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 357.43 g/mol gives 5-[(Z)-2-(3-Methylphenyl)diazen-1-yl]-2-(pyridin-4-yl)-4-(thiophen-2-yl)pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-[(Z)-2-(3-Methylphenyl)diazen-1-yl]-2-(pyridin-4-yl)-4-(thiophen-2-yl)pyrimidine (CAS 339279-57-1) is a high-purity analytical reference standard with the molecular formula C20H15N5S and a molecular weight of 357.43 g/mol.

Structurally, 5-[(Z)-2-(3-Methylphenyl)diazen-1-yl]-2-(pyridin-4-yl)-4-(thiophen-2-yl)pyrimidine (C20H15N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 357.43 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 5-[(Z)-2-(3-Methylphenyl)diazen-1-yl]-2-(pyridin-4-yl)-4-(thiophen-2-yl)pyrimidine 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 FormulaC20H15N5S
Molecular Weight357.43 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)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms5
Sulfur Atoms1

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