28660

Procyanidin A2

analytical standard

• Synonym(s): (+)-Epicatechin-(4β-8,2β-O-7)-epicatechin, Proanthocyanidin A2
• Empirical Formula (Hill Notation): C₃₀H₂₄O₁₂
• CAS Number: 41743-41-3
• Molecular Weight: 576.50
• MDL number: MFCD10566019
• UNSPSC Code: 85151701
• PubChem Substance ID: 329753283
• NACRES: NA.24

Properties

• grade: analytical standard
• Quality Level: 100
• Assay: ≥99.0% (HPLC)
• shelf life: limited shelf life, expiry date on the label
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• application(s): food and beverages
• format: neat
• storage temp.: 2-8°C
• SMILES string: O[C@H]1[C@@H](C2=CC(O)=C(O)C=C2)OC3=C4[C@@]5([H])C6=C(O)C=C(O)C=C6O[C@](OC4=CC(O)=C3C1)(C7=CC(O)=C(O)C=C7)[C@@H]5O
• InChI: 1S/C30H24O12/c31-13-7-20(37)24-22(8-13)41-30(12-2-4-16(33)19(36)6-12)29(39)26(24)25-23(42-30)10-17(34)14-9-21(38)27(40-28(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,21,26-27,29,31-39H,9H2/t21-,26-,27-,29-,30+/m1/s1
• InChI key: NSEWTSAADLNHNH-LSBOWGMISA-N

Description

General description

Procyanidins are oligomers and polymers of flavan-3-ols consisting of (−)-epicatechin subunits found in fruits and plants with various biological benefits. Procyanidin A2 is a dimer of procyanidin.

Application

Procyanidin A2 may be used as a reference standard for the quantification of the analyte in grapes and wines of Vitis vinifera L. of Cabernet Sauvignon and Merlot noir by reverse-phase high-performance liquid chromatography method.

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable