|  | |  |  | Sennoside B Basic information | 
 | Product Name: | Sennoside B |  | Synonyms: | PURSENNIDE;SENNOSIDE B 96.5+%;Sennoside B std.;9,9-Bianthracene-2,2-dicarboxylic acid, 5,5-bis(.beta.-D-glucopyranosyloxy)-9,9,10,10-tetrahydro-4,4-dihydroxy-10,10-dioxo-, (9R,9S)-;(9S)-9-[(9R)-2-carboxy-4-hydroxy-10-oxo-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9H-anthracen-9-yl]-4-hydroxy-10-oxo-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-9H-anthracene-2-carboxylic acid;SENNIDINE B(RG);SENNOSIDE B(P);SENNOSIDE B(SH) |  | CAS: | 128-57-4 |  | MF: | C42H38O20 |  | MW: | 862.74 |  | EINECS: | 204-895-0 |  | Product Categories: | The group of Sennosides;Anthraquinones, Hydroquinones and Quinones;chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from Chinese medicinal herbs (TCM).;standardized herbal extract;Inhibitors |  | Mol File: | 128-57-4.mol |  |  | 
|  |  | Sennoside B Chemical Properties | 
 | Melting point | 209~212℃ |  | alpha | D20 -100° (c = 0.2 in 70% acetone); D20 -67° (c = 0.4 in 70% dioxane) |  | Boiling point | 698.48°C (rough estimate) |  | density | 1.3066 (rough estimate) |  | refractive index | 1.7630 (estimate) |  | storage temp. | 2-8°C |  | solubility | DMSO (Very Slightly, Heated), Methanol (Slightly, Heated) |  | form | neat |  | pka | 3.31±0.40(Predicted) |  | color | Light Yellow to Dark Yellow |  | BRN | 5723747 |  | Stability: | Hygroscopic |  | LogP | 1.880 (est) |  | CAS DataBase Reference | 128-57-4(CAS DataBase Reference) | 
| Risk Statements | 22 |  | Safety Statements | 22-45-24/25 |  | WGK Germany | 3 |  | HS Code | 29329990 | 
|  |  | Sennoside B Usage And Synthesis | 
 | Chemical Properties | White to brown powder |  | Uses | Sennoside B is used in the inhibition of platelet driven growth factor (PDGF) used and may inhibit proliferative disease which depend upon the PDGF pathway. Laxative. |  | Definition | ChEBI: A member of the class of sennosides that is (9R,9'S)-9,9',10,10'-tetrahydro-9,9'-bianthracene-2,2'-dicarboxylic acid which is substituted by hydroxy groups at positions 4 and 4', by beta-D
glucopyranosyloxy groups at positions 5 and 5', and by oxo groups at positions 10 and 10'. |  | Purification Methods | Sennoside B forms yellow crystals from aqueous acetone or large volumes of H2O. [Stoll et al. Helv Chim Acta 32 1896 1900, Beilstein 17 III/IV 3402.] | 
|  |  | Sennoside B Preparation Products And Raw materials | 
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