(5E)-2-{[3-(1H-imidazol-1-yl)propyl]amino}-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-4-one CAS 956990-20-8

Purity 97%+In StockPharmaceutical Standards
CAS No.956990-20-8
Molecular FormulaC19H18N6OS
Molecular Weight378.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(5E)-2-{[3-(1H-imidazol-1-yl)propyl]amino}-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-4-one CAS 956990-20-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 378.45 g/mol gives (5E)-2-{[3-(1H-imidazol-1-yl)propyl]amino}-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies (5E)-2-{[3-(1H-imidazol-1-yl)propyl]amino}-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-4-one (CAS 956990-20-8), a certified reference material (molecular formula C19H18N6OS, MW 378.45 g/mol) for analytical method development and quality control.

Based on its molecular formula C19H18N6OS, (5E)-2-{[3-(1H-imidazol-1-yl)propyl]amino}-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-4-one contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 378.45 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.

As a certified reference material (CRM), (5E)-2-{[3-(1H-imidazol-1-yl)propyl]amino}-5-{[2-(1H-pyrazol-1-yl)phenyl]methylidene}-4,5-dihydro-1,3-thiazol-4-one 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 FormulaC19H18N6OS
Molecular Weight378.45 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)14.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms6
Sulfur Atoms1

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