2,3,7,8-Tetrathiaspiro[4.4]nonane CAS 176-02-3

Purity 97%+In StockPharmaceutical Standards
CAS No.176-02-3
Molecular FormulaC5H8S4
Molecular Weight196.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3,7,8-Tetrathiaspiro[4.4]nonane CAS 176-02-3 chemical structure

Description

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.

2,3,7,8-Tetrathiaspiro[4.4]nonane (CAS 176-02-3), molecular formula C5H8S4 and molecular weight 196.38 g/mol, is a CATO reference standard with documented purity and traceability.

2,3,7,8-Tetrathiaspiro[4.4]nonane (C5H8S4) contains sulfur-containing functionality. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.

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 FormulaC5H8S4
Molecular Weight196.38 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1957
Sulfur Atoms4

Recommended Standards

Why CATO?