Technical Information

Formal Name

(2R,2'R,3R,3'S,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

20315-25-7

Synonyms

• (−)-Epicatechin-(4β-8)-(+)-catechin

• Proanthocyanidin B1

• Procyanidol B1

Molecular Formula

C30H26O12

Formula Weight

578.5

Purity

≥98%

Formulation(Request formulation change)

A crystalline solid

Solubility(Learn about Variance in Solubility)

• DMF: 30 mg/ml

• DMSO: 30 mg/ml

• Ethanol: 30 mg/ml

• PBS (pH 7.2): 10 mg/ml

λmax

280 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+/m0/s1

InChi Key

XFZJEEAOWLFHDH-UKWJTHFESA-N

Origin

Plant/Grape seeds

Shipping & Storage Information

Storage

-20°C

Shipping

Room Temperature in continental US; may vary elsewhere

Stability

≥ 4 years