The Procyanidin B2, with the CAS registry number 29106-49-8, is also known as (2R-(2alpha,3alpha,4beta(2'R*,3'R*)))-2,2'-Bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-(4,8'-Bi-2H-1-benzopyran)-3,3',5,5',7,7'-hexol. It belongs to the product category of Catechins & Tannins. This chemical's molecular formula is C₃₀H₂₆O₁₂ and molecular weight is 578.52024. Its IUPAC name is called (2R,3R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol. Procyanidin B2 is a B type proanthocyanidin ((-)-Epicatechin-(4β→8)-(-)-epicatechin) which can be found in Cinchona pubescens, in Cinnamomum verum, in Crataegus monogyna, in Uncaria guianensis, in Vitis vinifera, in Litchi chinensis, in the apple, and in Ecdysanthera utilis. When you are using this chemical, please be cautious about it. You should not breathe its dust and avoid contacting it with skin and eyes.

Physical properties of Procyanidin B2: (1) ACD/LogP: 0.30; (2)# of Rule of 5 Violations: 3; (3)ACD/LogD (pH 5.5): 0.3; (4)ACD/LogD (pH 7.4): 0.3; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 34.77; (8)ACD/KOC (pH 7.4): 34.33; (9)#H bond acceptors: 12; (10)#H bond donors: 10; (11)#Freely Rotating Bonds: 13; (12)Index of Refraction: 1.803; (13)Molar Refractivity: 145.37 cm³; (14)Molar Volume: 339.1 cm³; (15)Surface Tension: 103.8 dyne/cm; (16)Density: 1.705 g/cm³; (17)Flash Point: 531.6 °C; (18)Enthalpy of Vaporization: 145.7 kJ/mol; (19)Boiling Point: 955.3 °C at 760 mmHg; (20)Vapour Pressure: 0 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: Oc1ccc(cc1O)[C@H]6Oc2cc(O)cc(O)c2[C@H](c5c(O)cc(O)c4c5O[C@H](c3ccc(O)c(O)c3)[C@H](O)C4)[C@H]6O
(2)InChI: InChI=1/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2/t22-,26-,27-,28-,29-/m1/s1
(3)InChIKey: XFZJEEAOWLFHDH-NFJBMHMQBY