Proanthocyanidin A4

• CAT Number: I017932
• CAS Number: 111466-29-6
• Molecular Formula: C30H24O12
• Molecular Weight: 576.50
• Purity: ≥95%
• Synonyms: (1R,5S,6R,13S,21R)-5,13-bis(3,4-dihydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.02,11.03,8.015,20]henicosa-2(11),3(8),9,15,17,19-hexaene-6,9,17,19,21-pentol
• IUPAC Name: 5-(3,4-dihydroxyphenyl)-13-(3,4,5-trihydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.02,11.03,8.015,20]henicosa-2(11),3(8),9,15,17,19-hexaene-6,9,17,19,21-pentol
• InChI: InChI=1S/C30H24O13/c31-12-6-17(35)23-21(7-12)42-30(11-4-18(36)26(39)19(37)5-11)29(40)25(23)24-22(43-30)9-15(33)13-8-20(38)27(41-28(13)24)10-1-2-14(32)16(34)3-10/h1-7,9,20,25,27,29,31-40H,8H2
• InChIKey: WODBGULXKVZGQF-UHFFFAOYSA-N
• SMILES: C1C(C(OC2=C1C(=CC3=C2C4C(C(O3)(OC5=CC(=CC(=C45)O)O)C6=CC(=C(C(=C6)O)O)O)O)O)C7=CC(=C(C=C7)O)O)O

Proanthocyanidin A4（Cat No.:I017932）is a naturally occurring polyphenolic compound belonging to the proanthocyanidin (condensed tannin) family, commonly found in plants such as grapes, berries, and cocoa. Structurally, it consists of linked flavan-3-ol units with an A-type interflavan bond. It exhibits strong antioxidant, anti-inflammatory, and antimicrobial properties, protecting cells against oxidative stress and modulating immune responses. Proanthocyanidin A4 has been studied for cardiovascular protection, anticancer potential, and neuroprotection. Its ability to scavenge free radicals and regulate signaling pathways makes it a valuable bioactive compound in nutritional and pharmacological research.