(+)-(1S)-Menthyl (R)-p-toluenesulfinate

CAS 91796-57-5C17H26O2SChemical Synthesis

(+)-(1S)-Menthyl (R)-p-toluenesulfinate (CAS 91796-57-5), with the molecular formula C17H26O2S and a molecular weight of 294.45 g/mol, is a chiral organic compound. It is characterised by its optical activity, specifically +197±7° at 20°C in acetone. This compound serves as a valuable building block in organic synthesis, particularly in asymmetric reactions where stereochemical control is essential for creating specific enantiomers of target molecules.

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(+)-(1S)-Menthyl (R)-p-toluenesulfinate (C17H26O2S) — chemical structure, CAS 91796-57-5; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksOrganic Building BlocksSulfonates/Sulfinates

01 /Applications

Chiral Building Block in Asymmetric Synthesis

(+)-(1S)-Menthyl (R)-p-toluenesulfinate is employed as a chiral auxiliary or building block in asymmetric synthesis. Its well-defined stereochemistry allows for the induction of chirality in target molecules, facilitating the preparation of enantiomerically pure compounds crucial for pharmaceuticals and fine chemicals.

Reagent in Organic Synthesis

This sulfinate derivative is utilised as a reagent in various organic transformations. It participates in reactions that require the introduction of a sulfinate moiety or as a chiral source in stereoselective processes, contributing to the efficient construction of complex organic structures.

Intermediate for Specialty Chemicals

The compound can serve as an intermediate in the synthesis of more complex chiral molecules. Its structure makes it suitable for further functionalisation, leading to the development of specialised organic compounds with specific optical properties for advanced applications.

02 /Properties

Molecular weight	294.45
Empirical formula	C17H26O2S
Assay	≥98.0% (sum of enantiomers, HPLC)
Optical activity	[α]20/D +197±7°, c = 2% in acetone
Storage temperature	−20°C
Melting point	101-104 °C

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

91796-57-5

MDL number

MFCD00064472

Beilstein registry

4907352

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is (+)-(1S)-Menthyl (R)-p-toluenesulfinate used for?

It is primarily used as a chiral building block and reagent in asymmetric synthesis for creating enantiomerically pure compounds and as an intermediate for specialty chemicals.

What is the CAS number and formula for (+)-(1S)-Menthyl (R)-p-toluenesulfinate?

The CAS number is 91796-57-5 and the empirical formula (Hill notation) is C17H26O2S.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (+)-(1S)-Menthyl (R)-p-toluenesulfinate with an assay of ≥98.0% (sum of enantiomers, HPLC). This is a research-grade chemical and is not represented as USP, BP, EP, or any other pharmacopoeia standard.

How should (+)-(1S)-Menthyl (R)-p-toluenesulfinate be handled and stored?

Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Store at -20°C.