7-(3-Chlorophenyl)-2-[4-(3-chlorophenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one CAS 1242866-11-0

Purity 97%+In StockPharmaceutical Standards
CAS No.1242866-11-0
Molecular FormulaC22H18Cl2N4OS
Molecular Weight457.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-(3-Chlorophenyl)-2-[4-(3-chlorophenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one CAS 1242866-11-0 chemical structure

Description

As a certified reference material (CRM), 7-(3-Chlorophenyl)-2-[4-(3-chlorophenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-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.

7-(3-Chlorophenyl)-2-[4-(3-chlorophenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1242866-11-0) is a high-purity analytical reference standard with the molecular formula C22H18Cl2N4OS and a molecular weight of 457.38 g/mol.

Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, 7-(3-Chlorophenyl)-2-[4-(3-chlorophenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 457.38 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.

Physical & Chemical Properties

Molecular FormulaC22H18Cl2N4OS
Molecular Weight457.38 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms4
Sulfur Atoms1

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