Pentaerythritol tetrakis(2-mercaptoacetate) CAS 10193-99-4

Purity 97%+In StockPharmaceutical Standards
CAS No.10193-99-4
Molecular FormulaC13H20O8S4
Molecular Weight432.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Pentaerythritol tetrakis(2-mercaptoacetate) CAS 10193-99-4 chemical structure

Description

Pentaerythritol tetrakis(2-mercaptoacetate) (CAS 10193-99-4), molecular formula C13H20O8S4 and molecular weight 432.55 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of Pentaerythritol tetrakis(2-mercaptoacetate) (C13H20O8S4) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

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 FormulaC13H20O8S4
Molecular Weight432.55 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959
Sulfur Atoms4

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