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PHL89552

Procyanidin B2

phyproof® Reference Substance

Synonym(s):

(−)-Epicatechin (4β-8)-(−)-epicatechin, 4,8″-Bi-[(+)-epicatechin], cis,cis″-4,8″-Bi(3,3′,4′,5,7-pentahydroxyflavane), Proanthocyanidin B2

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Pack SizeSKUAvailabilityPrice
10 mg
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$434.00

About This Item

Empirical Formula (Hill Notation):
C30H26O12
CAS Number:
Molecular Weight:
578.52
UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:

$434.00


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grade

primary reference standard

product line

phyproof® Reference Substance

assay

≥90.0% (HPLC)

manufacturer/tradename

PhytoLab

application(s)

food and beverages

format

neat

storage temp.

−20°C

SMILES string

O[C@@H]1Cc2c(O)cc(O)c([C@@H]3[C@@H](O)[C@H](Oc4cc(O)cc(O)c34)c5ccc(O)c(O)c5)c2O[C@@H]1c6ccc(O)c(O)c6

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

General description

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

Other Notes

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

Legal Information

phyproof is a registered trademark of PhytoLab GmbH & Co. KG

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This Item
PHL83223421571566894
grade

primary reference standard

grade

primary reference standard

grade

analytical standard

grade

pharmaceutical primary standard

format

neat

format

neat

format

neat

format

neat

application(s)

food and beverages

application(s)

food and beverages

application(s)

food and beverages

application(s)

pharmaceutical

product line

phyproof® Reference Substance

product line

phyproof® Reference Substance

product line

-

product line

-

assay

≥90.0% (HPLC)

assay

≥90.0% (HPLC)

assay

≥90% (HPLC)

assay

-

storage temp.

−20°C

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

2-8°C


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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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Questions

  1. purity of this standard please

    1 answer
    1. This product is a neat or pure powder. The minimum purity is ~90% by HPLC analysis, as listed on the lot specific Certificate of Analysis. The impurities are also listed on the Certificate of Analysis. Please navigate to the ‘DOCUMENTATION’ section of the Product Detail Page to access a sample of lot specific Certificate: https://www.sigmaaldrich.com/product/supelco/phl89552#product-documentation

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