Rac-(3r,4s)-3-chloro-4-hydroxy-1lambda6-thiolane-1,1-dione, trans CAS 20688-38-4

Description

Compared with other compounds in its class, the molecular weight of 170.61 g/mol gives Rac-(3r,4s)-3-chloro-4-hydroxy-1lambda6-thiolane-1,1-dione, trans distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

Rac-(3r,4s)-3-chloro-4-hydroxy-1lambda6-thiolane-1,1-dione, trans (CAS 20688-38-4) is a high-purity analytical reference standard with the molecular formula C4H7ClO3S and a molecular weight of 170.61 g/mol.

Structurally, Rac-(3r,4s)-3-chloro-4-hydroxy-1lambda6-thiolane-1,1-dione, trans (C4H7ClO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 170.61 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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), Rac-(3r,4s)-3-chloro-4-hydroxy-1lambda6-thiolane-1,1-dione, trans 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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