3-Amino-6-ethyl-N-(3-ethylphenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide CAS 625370-17-4

Purity 97%+In StockPharmaceutical Standards
CAS No.625370-17-4
Molecular FormulaC22H25N3OS
Molecular Weight379.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Amino-6-ethyl-N-(3-ethylphenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide CAS 625370-17-4 chemical structure

Description

The occurrence of 3-Amino-6-ethyl-N-(3-ethylphenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 3-Amino-6-ethyl-N-(3-ethylphenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 625370-17-4), a certified reference material (molecular formula C22H25N3OS, MW 379.52 g/mol) for analytical method development and quality control.

Structurally, 3-Amino-6-ethyl-N-(3-ethylphenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (C22H25N3OS) 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 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 379.52 g/mol, it falls into the moderately-high-molecular-weight range. 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), 3-Amino-6-ethyl-N-(3-ethylphenyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-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 FormulaC22H25N3OS
Molecular Weight379.52 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms3
Sulfur Atoms1

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