Resolving Agents / Chiral Agents

Di-p-Toluoyl-D-Tartaric Acid (DPTTA)

Di-p-Toluoyl-D-Tartaric Acid (DPTTA) is a premier chiral resolving agent used for resolution of racemic mixtures and asymmetric synthesis to obtain optically pure intermediates.

Technical Specifications

Chemical Name(2R,3R)-(-)-Di-O-(4-toluoyl)-D-tartaric acid
CAS Number32634-68-7
Molecular FormulaC20H18O8
Molecular Weight386.35 g/mol
AppearanceWhite to off-white crystalline powder
Assay (HPLC)>98.0%
Specific Optical Rotation+140° to +146° (c=1 in MeOH)
StorageStore in a cool, dry place; keep tightly sealed

Recommended Applications

  • Chiral Resolution: Separation of racemic amines, amino acids, and chiral molecules.
  • Asymmetric Synthesis: Chiral auxiliary or catalyst in stereoselective reactions.
  • Pharmaceutical Intermediates: Production of enantiopure APIs.
  • R&D Reagent: Medicinal chemistry and analytical applications.