Description

Di-p-Toluoyl-L-Tartaric Acid is a high-purity chiral resolving agent and a key intermediate in asymmetric synthesis. This compound is valued for its ability to separate enantiomers of amines and other basic compounds, which is critical for producing single-isomer pharmaceuticals. It is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries where optical purity is paramount.

Application

• Chiral resolution of racemic amines and amino alcohols in pharmaceutical manufacturing.
• Asymmetric synthesis catalyst or auxiliary in the production of active pharmaceutical ingredients (APIs).
• Key intermediate for synthesizing more complex chiral ligands and organocatalysts.
• Analytical standard for HPLC method development in enantiomeric purity testing.
• Research and development of novel stereoselective synthetic pathways.
• Potential use in the separation of enantiomers for agrochemical intermediates.

Basic Information

Product Name	Di-p-Toluoyl-L-Tartaric Acid
CAS No.	217968-14-4
Molecular Formula	C20H18O8
Molecular Weight	386.35 g/mol
Synonyms	Di-p-Toluoyl-L-tartaric Acid; (2R,3R)-2,3-Bis(4-methylbenzoyloxy)succinic Acid; L-Di-p-Toluoyltartaric Acid; DPTTA; (2R,3R)-O,O'-Di-p-toluoyl-tartaric Acid; (R,R)-Di-p-Toluoyl Tartaric Acid; (2R,3R)-2,3-Di(4-methylbenzoyloxy)butanedioic Acid
EINECS	Contact for details

Quality Control

Our Di-p-Toluoyl-L-Tartaric Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the stringent requirements for chiral resolution and synthesis. A Certificate of Analysis (COA) detailing identity, purity, and specific rotation is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Enantiomeric Excess)	≥ 99.0% ee
Specific Rotation [α]20/D	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.