TIANFU CHEM-- Sennoside B CAS NO.128-57-4

product name: sennoside b

synonyms: (9r,9's)-5,5'-bis(β-d-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo-9,9'-bianthracene-2,2'-dicarboxylic acid;(9s,9'r)-5,5'-bis(β-d-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo-9,9'-bianthracene-2,2'-dicarboxylic acid;(9s)-9-[(9r)-2-carboxy-4-hydroxy-10-keto-5-[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-methylol-tetrahydropyran-2-yl]oxy-9h-anthracen-9-yl]-4-hydroxy-10-keto-5-[(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-methylol-tetrahydropyran-2-yl]oxy-9h-anthracene-2-carboxylic acid;sennoside b ,98%;sennoside b (20 mg);tisasen b;(9r,9's)-4,4'-dihydroxy-10,10'-dioxo-5,5'-bis(((2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2h-pyran-2-yl)oxy)-9,9',10,10'-tetrahydro-[9,9'-bianthracene]-2,2'-dicarboxylic acid;sennoside b, from folium sennae

cas: 128-57-4

mf: c42h38o20

mw: 862.74

einecs: 204-895-0

product categories: chemical reagent;pharmaceutical intermediate;phytochemical;reference standards from chinese medicinal herbs (tcm).;standardized herbal extract;inhibitors;anthraquinones, hydroquinones and quinones;the group of sennosides

mol file: 128-57-4.mol

sennoside b structure

sennoside b chemical properties

alpha d20 -100° (c = 0.2 in 70% acetone); d20 -67° (c = 0.4 in 70% dioxane)

cas database reference 128-57-4(cas database reference)

safety information

risk statements 22

safety statements 22-45-24/25

msds information

sennoside b usage and synthesis

chemical properties white to brown powder

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'.