Procyanidin B4, CAS 29106-51-2

Formulation: A solid

Formal Name: (2R,2′R,3S,3′R,4S)-2,2′-bis(3,4-dihydroxyphenyl)-3,3′,4,4′-tetrahydro-[4,8′-bi-2H-1-benzopyran]-3,3′,5,5′,7,7′-hexol

Purity: ≥98%

Formula Markup: C30H26O12

Formula Weight: 578,5

Shelf life (days): 1460

CAS Number: 29106-51-2

Notes: Procyanidin B4 is a polyphenol flavonoid dimer of (+)-catechin (Item No. 70940) and (–)-epicatechin (Item No. 11807) that has been found in Q. gilva and has diverse biological activities.{62678,51190} It scavenges DPPH (Item No. 14805) and superoxide radicals (IC50s = 12.15 and 8.67 µM, respectively).{62678} Procyanidin B4 inhibits nitric oxide (NO) production in RAW 264.7 macrophages (IC50 = 1.44 µM). It also inhibits activation of Epstein-Barr virus early antigen (EBV-EA) induced by phorbol 12-myristate 13-acetate (TPA; Item No. 10008014) in Raji cells.{51190}

• SKU: CAY36398-1
• Manufacturer: Cayman Chemical
• Manufacturer SKU: 36398-1
• Green Labware: No
• Package Unit: 1 mg
• Quantity Unit: STK
• Application: Reinstoffe