2,3-Bis((2-mercaptoethyl)thio)-1-propanethiol CAS 131538-00-6

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,3-Bis((2-mercaptoethyl)thio)-1-propanethiol.

2,3-Bis((2-mercaptoethyl)thio)-1-propanethiol (CAS 131538-00-6), molecular formula C7H16S5 and molecular weight 260.53 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to sulfur-containing functionality, 2,3-Bis((2-mercaptoethyl)thio)-1-propanethiol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 260.53 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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), 2,3-Bis((2-mercaptoethyl)thio)-1-propanethiol 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

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