Product Name:    2,3-Di-O-para-toluoyl-D-tartaric acid

Synonyms:    RivastigMine USP RC A;RivastigMine Related CoMpound A;D- twoMethylbenzoyltartaric acid;(+)-2,3-Di-p-toluoyl-D-tartaric acid;(+)-Di-p-toluoyl-D-tartaric acid;D - 2 Methyl benzoyl tartaric acid;(+)-Di-1,4-toluoyl-D-tartaric acid [S(R*,R*)]-2,3-bis[(4-methylbenzoyl)oxy]succinic acid;(+)- Ditoluoyltartaric acid

CAS:    32634-68-7

MF:    C20H18O8

MW:    386.35

EINECS:    251-132-2

Product Categories:    Miscellaneous;FINE Chemical & INTERMEDIATES;Pharmaceutical Intermediates;Chiral Compounds;chiral;Carboxylic Acids (Chiral);Chiral Building Blocks;for Resolution of Bases;Optical Resolution;Synthetic Organic Chemistry;CHIRAL CHEMICALS;Hydroxy Acids & Deriv.;Chiral Compound;Inhibitors

Melting point     169-171 °C(lit.)

alpha     136 o (c=1, EtOH)

Boiling point     432.57°C (rough estimate)

density     1.3084 (rough estimate)

vapor pressure     0Pa at 25℃

refractive index     139 ° (C=1, EtOH)

storage temp.     Inert atmosphere,Room Temperature

solubility     DMSO (Slightly), Ethanol (Sparingly), Methanol (Slightly)

form     Solid

pka    1.46±0.25(Predicted)

color     White to Off-White