(−)-Dibenzyl D-tartrate

CAS 4136-22-5C18H18O6Chemical Synthesis

(−)-Dibenzyl D-tartrate (CAS: 4136-22-5; Formula: C18H18O6; Molar Mass: 330.33 g/mol) is a chiral organic compound widely employed in asymmetric synthesis. It serves as a valuable chiral resolving agent and a building block for the synthesis of complex molecules. Its stereochemical properties make it particularly useful in enantioselective reactions, contributing to the production of stereochemically pure intermediates and active pharmaceutical ingredients. TSS supplies this compound for research and development purposes.

Email us

(−)-Dibenzyl D-tartrate (C18H18O6) — chemical structure, CAS 4136-22-5; Chemistry, fine chemical supplied by Tech Serve Solutions

Asymmetric SynthesisChemical SynthesisChiral Building BlocksChiral CatalystsLigandsand ReagentsEpoxidationEsters

01 /Applications

Chiral Resolving Agent

(−)-Dibenzyl D-tartrate is frequently utilised for the separation of enantiomers of racemic mixtures. Its ability to form diastereomeric salts or complexes allows for the resolution of chiral compounds, a critical step in obtaining enantiomerically pure substances.

Chiral Building Block

This compound functions as a chiral synthon in organic synthesis. It can be incorporated into larger molecules to introduce or control stereochemistry, essential for the development of pharmaceuticals and other stereospecific chemicals.

Ligand in Asymmetric Catalysis

Derivatives of dibenzyl tartrate can be modified to serve as chiral ligands in transition metal-catalyzed asymmetric reactions, influencing the stereochemical outcome of transformations such as epoxidation or hydrogenation.

02 /Properties

Molecular weight	330.33
Empirical formula	C18H18O6
Assay	≥98.0% (sum of enantiomers, HPLC)
Optical activity	[α]20/D −12.5±1°, c = 1.1% in acetone
Melting point	65-68 °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

4136-22-5

MDL number

MFCD01863133

Beilstein registry

4787873

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 (–)-Dibenzyl D-tartrate primarily used for?

(–)-Dibenzyl D-tartrate is primarily used as a chiral resolving agent and a chiral building block in asymmetric synthesis.

What are the CAS number and formula for (–)-Dibenzyl D-tartrate?

The CAS number for (–)-Dibenzyl D-tartrate is 4136-22-5, and its molecular formula is C18H18O6.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies (–)-Dibenzyl D-tartrate with an assay of ≥98.0% (sum of enantiomers, HPLC). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

What are the safety and handling precautions for (–)-Dibenzyl D-tartrate?

When handling (–)-Dibenzyl D-tartrate, it is essential to use eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used in areas with inadequate ventilation. The compound has a WGK Germany rating of 3, indicating a high hazard.

How is (–)-Dibenzyl D-tartrate packed, shipped, and exported?

Tech Serve Solutions offers expert packing, shipping, and exporting services for (–)-Dibenzyl D-tartrate, adhering to international regulations for chemical transport.