The Caftaric acid with the CAS number 67879-58-7 is also called Butanedioic acid,2-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propen-1-yl]oxy]-3-hydroxy-, (2R,3R)-. The IUPAC name is (2R,3R)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy-3-hydroxybutanedioic acid. Its molecular formula is C₁₃H₁₂O₉. The product category is Miscellaneous Natural Products. This chemical should be stored at 2-8°C.

The properties of the Caftaric acid are: (1)ACD/LogP: 1.14; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -3.55; (4)ACD/LogD (pH 7.4): -3.62; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 9; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 10; (12)Polar Surface Area: 106.59 Å²; (13)Index of Refraction: 1.694; (14)Molar Refractivity: 70.79 cm³; (15)Molar Volume: 184.2 cm³; (16)Polarizability: 28.06×10^-24cm³; (17)Surface Tension: 97.5 dyne/cm; (18)Enthalpy of Vaporization: 96.36 kJ/mol; (19)Vapour Pressure: 3.85×10^-16 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@H](O)[C@@H](OC(=O)\C=C\c1cc(O)c(O)cc1)C(=O)O
(2)InChI: InChI=1/C13H12O9/c14-7-3-1-6(5-8(7)15)2-4-9(16)22-11(13(20)21)10(17)12(18)19/h1-5,10-11,14-15,17H,(H,18,19)(H,20,21)/b4-2+/t10-,11-/m1/s1
(3)InChIKey: SWGKAHCIOQPKFW-JTNORFRNBW