3-Amino-N-(2-ethylphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide CAS 337495-86-0

Purity 97%+In StockPharmaceutical Standards
CAS No.337495-86-0
Molecular FormulaC28H23N3OS
Molecular Weight449.57 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Amino-N-(2-ethylphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide CAS 337495-86-0 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 449.57 g/mol gives 3-Amino-N-(2-ethylphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-Amino-N-(2-ethylphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide (CAS 337495-86-0), molecular formula C28H23N3OS and molecular weight 449.57 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-Amino-N-(2-ethylphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide (C28H23N3OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 449.57 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), 3-Amino-N-(2-ethylphenyl)-4,6-diphenylthieno[2,3-b]pyridine-2-carboxamide 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 FormulaC28H23N3OS
Molecular Weight449.57 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms3
Sulfur Atoms1

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