The Sennoside D with the cas number 37271-17-3, is also called 4-hydroxy-9-[4-hydroxy-2-(hydroxymethyl)-10-oxo-5-[3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-9H-anthracen-9-yl]-10-oxo-5-[3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-9H-anthracene-2-carboxylic acid .This product can be supplied by the following suppliers: (1)Chengdu Biopurify Phytochemicals Ltd.; (2)Hangzhou FST Pharmaceutical Co., Ltd.; (3)Highpharm Medchem Co., Ltd.; (4)Shanghai Record Pharmaceuticals Co., Ltd.; (5)Shanghai Tauto Biotech Co., Ltd..

The properties of the Sennoside D are: (1)#H bond acceptors:  19  ; (2)#H bond donors:  12  ; (3)#Freely Rotating Bonds:  20  ; (4)Polar Surface Area:  330.89Ų  ; (5)Index of Refraction:  1.757  ; (6)Molar Refractivity:  203.67 cm³  ; (7)Molar Volume:  496.1 cm³  ; (8)Polarizability:  80.74×10^-24cm³  ; (9)Surface Tension:  104.7 dyne/cm ; (10)Enthalpy of Vaporization:  174.42 kJ/mol  ; (11)Vapour Pressure:  0 mmHg at 25°C.

You can still convert the following datas into molecular structure :
1.c1cc2c(c(c1)OC3C(C(C(C(O3)CO)O)O)O)C(=O)c4c(cc(cc4O)CO)C2C5c6cccc(c6C(=O)c7c5cc(cc7O)C(=O)O)OC8C(C(C(C(O8)CO)O)O)O
2.InChI=1/C42H40O19/c43-11-14-7-18-26(16-3-1-5-22(30(16)34(50)28(18)20(46)8-14)58-41-38(54)36(52)32(48)24(12-44)60-41)27-17-4-2-6-23(59-42-39(55)37(53)33(49)25(13-45)61-42)31(17)35(51)29-19(27)9-15(40(56)57)10-21(29)47/h1-10,24-27,32-33,36-39,41-49,52-55H,11-13H2,(H,56,57)