4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine CAS 384351-45-5

Purity 97%+In StockPharmaceutical Standards
CAS No.384351-45-5
Molecular FormulaC12H6ClFN2S
Molecular Weight264.71 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine CAS 384351-45-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 264.71 g/mol gives 4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine (CAS 384351-45-5) is a high-purity analytical reference standard with the molecular formula C12H6ClFN2S and a molecular weight of 264.71 g/mol.

Based on its molecular formula C12H6ClFN2S, 4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

CATO manufactures 4-Chloro-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC12H6ClFN2S
Molecular Weight264.71 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms2
Sulfur Atoms1

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