Thioctic acid Impurity 85 CAS 13075-44-0

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.13075-44-0
Molecular FormulaC8H14O6S2
Molecular Weight270.32 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Thioctic acid Impurity 85 CAS 13075-44-0 chemical structure

Description

Structurally, Thioctic acid Impurity 85 (C8H14O6S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 270.32 g/mol, it falls into the medium-molecular-weight range.

Thioctic acid Impurity 85 (CAS 13075-44-0) is a certified pharmaceutical impurity reference standard with the molecular formula C8H14O6S2 and a molecular weight of 270.32 g/mol.

Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.

As a certified reference material (CRM), Thioctic acid Impurity 85 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 FormulaC8H14O6S2
Molecular Weight270.32 g/mol
Purity≥95%
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1960
Sulfur Atoms2

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