(S)-(+)-Benzoin

CAS 5928-67-6C6H5CH(OH)COC6H5Chemical Synthesis

(S)-(+)-Benzoin (CAS: 5928-67-6), with the molecular formula C6H5CH(OH)COC6H5 and a molecular weight of 212.24 g/mol, is a chiral alpha-hydroxy ketone. This compound is primarily utilised as a chiral starting material and building block in asymmetric synthesis and general chemical synthesis. Its optical activity and purity make it valuable for stereoselective reactions.

IUPAC: (S)-2-Hydroxy-2-phenylacetophenone

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(S)-(+)-Benzoin (C6H5CH(OH)COC6H5) — chemical structure, CAS 5928-67-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksKetonesOrganic Building Blocks

01 /Applications

Chiral Starting Material

Serves as a crucial chiral precursor in the synthesis of complex molecules where stereochemistry is critical. Its defined configuration aids in stereoselective transformations.

Asymmetric Synthesis

Employed in asymmetric synthesis to create chiral centres in organic molecules. It acts as a valuable building block for stereospecific reactions.

Chemical Synthesis

A versatile intermediate in general organic synthesis, particularly for constructing molecules with specific functional groups and stereochemical properties.

Chiral Building Block

Provides a readily available chiral framework for the construction of pharmaceuticals and other fine chemicals requiring specific enantiomeric forms.

02 /Properties

Molecular weight	212.24
Linear formula	C6H5CH(OH)COC6H5
Assay	99%
Optical activity	[α]19/D +115°, c = 1.5 in acetone
Optical purity	ee: 99% (HPLC)
Application	Chiral starting material.
Melting point	135-137 °C(lit.)

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

5928-67-6

MDL number

MFCD00064252

PubChem substance

24855512

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 (S)-(+)-Benzoin used for?

(S)-(+)-Benzoin is primarily used as a chiral starting material and building block in asymmetric synthesis and general chemical synthesis. Its optical purity makes it valuable for stereoselective reactions.

What are the CAS number and formula for (S)-(+)-Benzoin?

The CAS number for (S)-(+)-Benzoin is 5928-67-6, and its formula is C6H5CH(OH)COC6H5.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (S)-(+)-Benzoin with an assay of 99% and an optical purity of ee: 99% (HPLC). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.

What are the safety and handling precautions for (S)-(+)-Benzoin?

(S)-(+)-Benzoin requires the use of eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used for respiratory protection. It is classified with WGK Germany 3, indicating a significant hazard to water.

How is (S)-(+)-Benzoin packed, shipped, and exported?

Tech Serve Solutions, a global supplier and exporter since 1998, ensures appropriate packaging and adherence to international shipping regulations for all its chemical products, including (S)-(+)-Benzoin.

How can I request a sample or quote for (S)-(+)-Benzoin?

To request a sample or a quote for (S)-(+)-Benzoin, please contact our sales team via the website or direct email, specifying your requirements and delivery location.