(-)-CATECHIN

Synonym(s):(−)-trans-3,3′,4′,5,7-Pentahydroxyflavane;(2S,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol

CAS NO.：18829-70-4
Empirical Formula: C15H14O6
Molecular Weight: 290.27
MDL number: MFCD00135997
EINECS: 242-611-7
SAFETY DATA SHEET (SDS)
Update Date: 2024-10-31 18:15:48

What is (-)-CATECHIN?

The Uses of (-)-CATECHIN

A natural phenol antioxidant plant secondary metabolite.

The Uses of (-)-CATECHIN

In dyeing and tanning.

The Uses of (-)-CATECHIN

(-)-Catechin has been used:

to test its binding affinity towards estrogen receptor
as a reference standard in high-performance liquid chromatography for quantification of polyphenols from plant extracts (HPLC)
as a reference standard in kinetic studies to quantify antioxidants from Iranian green tea leaves

What are the applications of Application

(?)-Catechin is a natural phenol antioxidant

Definition

ChEBI: (-)-catechin is the (-)-enantiomer of catechin. It has a role as a metabolite. It is an enantiomer of a (+)-catechin.

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

Biochem/physiol Actions

Catechins have wide biological functionality. They induce antiviral and anticancer activities. Catechins also play a key role in regulating carbohydrate and lipid metabolism. It prevents fat accumulation.

Properties of (-)-CATECHIN

Melting point:	93-96°; 175-177° when anhydr
Boiling point:	630.4±55.0 °C(Predicted)
alpha	D -16.8°
Density	1.593±0.06 g/cm3(Predicted)
storage temp.	2-8°C
solubility	DMF: 25 mg/ml; DMSO: 15 mg/ml; Ethanol: 5 mg/ml; PBS (pH 7.2): 1 mg/ml
form	A crystalline solid
pka	9.54±0.10(Predicted)
color	White to off-white
CAS DataBase Reference	18829-70-4(CAS DataBase Reference)

Safety information for (-)-CATECHIN

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.