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.

Other Notes

This compound is commonly found in plants of the genus: crataegus

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable