({4-chloro-5,6-dimethylthieno[2,3-d]pyrimidin-2-yl}methyl)diethylamine CAS 793727-93-2

Purity 97%+In StockPharmaceutical Standards
CAS No.793727-93-2
Molecular FormulaC13H18ClN3S
Molecular Weight283.82 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

({4-chloro-5,6-dimethylthieno[2,3-d]pyrimidin-2-yl}methyl)diethylamine CAS 793727-93-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 283.82 g/mol gives ({4-chloro-5,6-dimethylthieno[2,3-d]pyrimidin-2-yl}methyl)diethylamine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

({4-chloro-5,6-dimethylthieno[2,3-d]pyrimidin-2-yl}methyl)diethylamine (CAS 793727-93-2) is a high-purity analytical reference standard with the molecular formula C13H18ClN3S and a molecular weight of 283.82 g/mol.

The molecular framework of ({4-chloro-5,6-dimethylthieno[2,3-d]pyrimidin-2-yl}methyl)diethylamine (C13H18ClN3S) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC13H18ClN3S
Molecular Weight283.82 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)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986
Halogen ContentCl-containing
Nitrogen Atoms3
Sulfur Atoms1

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