|
Grade |
Appearance |
(EGCg) |
Caffeine |
|
EGCg–98 |
white powder |
> 98% |
< 0.1% |
|
CAS
NUMBER:
|
989-51-5
|
|
SYNONYM:
|
(2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
3-(3,4,5-trihydroxybenzoate);
|
|
|
(-)-epigallocatechin
3-O-gallate;
|
|
|
EGCG
|
|
PHYSICAL DESCRIPTION:
|
|
Appearance:
|
White powder
|
|
Molecular formula:
|
C22H18O11
|
|
Molecular Weight:
|
458.4
|
|
Melting point:
|
218C
|
|
Purity:
|
98% (min, by HPLC)
|
STORAGE/STABILITY:
The product is stable stored at 2-8C for at least two years.
SOLUBILITY:
This is soluble in water at least to 5mg/ml, giving a clear
solution. EGCg should be stable in solution at 2-8C at neutral
to slight acidic pH.
|
|
 |
