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22130

(±)-Catechin hydrate

purum, ≥96.0% (HPLC)

Synonym(s):

trans-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol, trans-3,3′,4′,5,7-Pentahydroxyflavane

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About This Item

Empirical Formula (Hill Notation):
C15H14O6 · xH2O
CAS Number:
7295-85-4
Molecular Weight:
290.27 (anhydrous basis)
EC Number:
230-731-2
UNSPSC Code:
12352200
PubChem Substance ID:
329752257
Beilstein/REAXYS Number:
92762
MDL number:
MFCD00149354
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grade

purum

assay

≥96.0% (HPLC)

color

white to slightly beige

mp

~200 °C (dec.)

storage temp.

2-8°C

SMILES string

[H]O[H].O[C@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3

InChI

1S/C15H14O6.H2O/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7;/h1-5,13,15-20H,6H2;1H2/t13-,15+;/m0./s1

InChI key

OFUMQWOJBVNKLR-NQQJLSKUSA-N

Biochem/physiol Actions

Polyphenolic antioxidant. Used in traditional Chinese medicine.

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pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Katheryn M Goodrich et al.
Journal of agricultural and food chemistry, 62(46), 11190-11199 (2014-10-23)
Metabolism of flavanols (catechins, procyanidins) by gut microbiota has been extensively characterized. Comparatively little is known about accumulation of flavanols and their metabolites in the colon tissues, particularly during chronic exposure to low doses. Mice were fed low doses of
Marlena K Sheridan et al.
Food chemistry, 177, 17-22 (2015-02-11)
Wine tannins undergo modifications during fermentation and storage that can decrease their perceived astringency and increase color stability. Acetaldehyde acts as a bridging compound to form modified tannins and polymeric pigments that are less likely to form tannin-protein complexes than
Phedias Diamandis et al.
Nature chemical biology, 3(5), 268-273 (2007-04-10)
The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain cancer. However, the complete repertoire of signaling pathways that governs the