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Procyanidin A2

analytical standard

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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

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

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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.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Variations in the heterogeneity of the decay of the fluorescence in six procyanidin dimers.
Cho D, et al.
Journal of the American Chemical Society, 112(11), 4273-4277 (1990)
Identification of procyanidin A2 in grape and wine of Vitis vinifera L. cv: Merlot noir and Cabernet Sauvignon.
de Gaulejac NV, et al.
International Journal of Grape and Wine Science, 35(1), 51-56 (2001)

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