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CAS RN: 490-46-0 | Product Number: E1226


Purity: >97.0%(HPLC)
  • (-)-cis-3,3',4',5,7-Pentahydroxyflavane
83,00 €
13   ≥20 
250,00 €
1   ≥20 

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Product Number E1226
Purity / Analysis Method >97.0%(HPLC)
Molecular Formula / Molecular Weight C__1__5H__1__4O__6 = 290.27  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Store Under Inert Gas Store under inert gas
Condition to Avoid Air Sensitive,Heat Sensitive
CAS RN 490-46-0
Reaxys Registry Number 92760
MDL Number


Appearance White to Light yellow to Light orange powder to crystal
Purity(HPLC) min. 97.0 area%
Specific rotation [a]20/D -56.0 to -64.0 deg(C=0.1, MeOH)
Properties (reference)
Melting Point 240 °C(dec.)
Specific Rotation -62° (C=0.1,MeOH)
Maximum Absorption Wavelength 280(MeOH) nm
Solubility (soluble in) Methanol
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
EC Number 207-710-1
RTECS# K3745000
Transport Information:
HS Number 2932990090
(-)-Epicatechin: A Components of Green Tea with a Variety of Biological Activities

(-)-Epicatechin and (-)-epicatechin gallate [E0890] are major components of green tea which is the most popular beverages worldwide. It has been reported that they possess a variety of biological activities, including antioxidant, anti-inflammatory, antiviral and anti-cancerous properties. (The product is for research purpose only.)


(-)-Epicatechin: An Antioxidant Flavonoid with Many Bioactive Properties

(-)-Epicatechin is a flavan-3-ol, an antioxidant flavonoid that is present in green teas, red wine, cocoa products, and many fruits, such as apples. It has demonstrated strong antioxidative, anti-inflammatory and anti-cancerous properties. (The product is for research purpose only.)



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