Procyanidin B2 (CAS 29106-49-8) | Cayman Chemical
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Procyanidin B2

Item № 19865
CAS № 29106-49-8
Purity ≥98%
product image
                (CAS 29106-49-8)
SIZE PRICE QUANTITY SUBTOTAL
CART TOTAL
     500 µg $28.00 0.00
     1 mg $53.00 0.00
     5 mg $168.00 0.00

Pricing updated 2018-12-17. Prices are subject to change without notice.

Description
Synonyms
  • (−)-Epicatechin-(4β→8)-(−)-epicatechin
  • Proanthocyanidin B2

Procyanidin B2 is a natural flavanol with potent antioxidant activity. Structurally, it is a dimer of epicatechin (Item No. 11807). The ability of procyanidin B2 to scavenge hydroxyl radical and superoxide anion exceeds that of epicatechin and procyanidin B4.1,2 Like other polyphenolic flavonoids with antioxidant activity, procyanidin B2 has diverse cellular effects and potential anti-cancer properties, but these have yet to be examined extensively in animal models or clinical trials.1

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Technical Information
Formal Name
(2R,2'R,3R,3'R,4R)-2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-[4,8'-bi-2H-1-benzopyran]-3,3',5,5',7,7'-hexol
CAS Number
29106-49-8
Synonyms
  • (−)-Epicatechin-(4β→8)-(−)-epicatechin
  • Proanthocyanidin B2
Molecular Formula
C30H26O12
Formula Weight
578.5
Purity
≥98%
Formulation
A crystalline solid
λmax
281 nm
SMILES
OC1=CC=C([C@H]2OC(C=C(O)C=C3O)=C3[C@H](C4=C(O)C=C(O)C5=C4O[C@H](C6=CC=C(O)C(O)=C6)[C@H](O)C5)[C@H]2O)C=C1O
InChI Code
InChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2/t22-,26-,27-,28-,29-/m1/s1
InChI Key
XFZJEEAOWLFHDH-NFJBMHMQSA-N

Warning - this product is not for human or veterinary use.

Shipping & Storage
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
Stability
≥ 2 years
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Additional Information

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References & Product Citations
Product Description References

1. Li, J., and Jiang, Y. Litchi flavonoids: Isolation, identification and biological activity Molecules 12(4), 745-758 (2007).

2. Jurikova, T., Sochor, J., Rop, O., et al. Polyphenolic profile and biological activity of Chinese hawthorn (Crataegus pinnatifida BUNGE) fruits Molecules 17(12), 14490-14509 (2012).

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