SynonymsProanthocyanidins; 2-(3,4-Dihydroxyphenyl)-2-((2-(3,4-dihydroxyphenyl)-5,7-dihydroxychroman-3-yl)oxy)chroman-3,4,5,7-tetraol Close Proanthocyanidins; 2-(3,4-Dihydroxyphenyl)-2-((2-(3,4-dihydroxyphenyl)-5,7-dihydroxychroman-3-yl)oxy)chroman-3,4,5,7-tetraol Related products Procyanidin A2 M.F. M.W. 576.51 CAT# AR-P29547 CAS# 41743-41-3 Procyanidin B2 M.F. M.W. - CAT# AR-P29583 CAS# 29106-49-8 Procyanidin M.F. M.W. 594.52 CAT# AR-P29890 CAS# 4852-22-6