5-[(Cyclohexylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione CAS 128889-76-9

Purity 97%+In StockPharmaceutical Standards
CAS No.128889-76-9
Molecular FormulaC13H18O4S
Molecular Weight270.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-[(Cyclohexylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione CAS 128889-76-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 270.34 g/mol gives 5-[(Cyclohexylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

5-[(Cyclohexylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 128889-76-9), molecular formula C13H18O4S and molecular weight 270.34 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C13H18O4S, 5-[(Cyclohexylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.34 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.

As a certified reference material (CRM), 5-[(Cyclohexylsulfanyl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione 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 FormulaC13H18O4S
Molecular Weight270.34 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Sulfur Atoms1

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