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
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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About This Item
Empirical Formula (Hill Notation):
C30H26O12
CAS Number:
Molecular Weight:
578.52
MDL number:
UNSPSC Code:
41116107
NACRES:
NA.24
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Recommended Products
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
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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
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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