bouvardin bouvardin bouvardin is a bicyclic hexapeptide isolated from bouvardia ternifolia. its chemical formula is c40h48n6o10. it is derived from the amino acid sequence ala-ala-tyr-ala-tyr-tyr. it has demonstrated certain anti-cancerous activities by inhibiting protein synthesis through inhibition of 80s ribosomes (eukaryotic ribosomes). bouvardin names iupac name (1s,4r,7s,10s,13s,16s,17s)-17,24-dihydroxy-10-(4-methoxybenzyl)-4,7,9,13,15,29-hexamethyl-22-oxa-3,6,9,12,15,29-hexaazatetracyclotritriaconta-18,20,23(31),24,26,32-hexaene-2,5,8,11,14,30-hexone identifiers cas number 64755-14-2 3d model (jsmol) interactive image chemspider 9989364 pubchem cid 73624 unii 22ay1d3uax comptox dashboard (epa) dtxsid30983377 inchi inchi=1s/c40h48n6o10/c1-21-35(49)42-22(2)38(52)44(4)29(18-24-8-13-27(55-7)14-9-24)37(51)43-23(3)39(53)46(6)33-34(48)26-11-15-28(16-12-26)56-32-20-25(10-17-31(32)47)19-30(36(50)41-21)45(5)40(33)54/h8-17,20-23,29-30,33-34,47-48h,18-19h2,1-7h3,(h,41,50)(h,42,49)(h,43,51)/t21-,22-,23+,29-,30+,33+,34?/m0/s1key: twowsrskgjszhz-zrccehqssa-n smiles cc1c(=o)nc(c(=o)n(c(c(=o)nc(c(=o)n(c2c(c3=cc=c(c=c3)oc4=c(c=cc(=c4)cc(c(=o)n1)n(c2=o)c)o)o)c)c)cc5=cc=c(c=c5)oc)c)c properties chemical formula c40h48n6o10 molar mass 772.8 g/mol except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references the synthetic derivative of bouvardin svc112 suppresses cancer stem cells and inhibits growth in head and neck squamous cell carcinoma.