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About This Item
Empirical Formula (Hill Notation):
C22H18O11
CAS Number:
Molecular Weight:
458.37
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
85151701
MDL number:
grade
primary reference standard
shelf life
limited shelf life, expiry date on the label
manufacturer/tradename
HWI
application(s)
food and beverages
storage temp.
−20°C
SMILES string
Oc1cc(O)c2C[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](Oc2c1)c4cc(O)c(O)c(O)c4
InChI
1S/C22H18O11/c23-10-5-12(24)11-7-18(33-22(31)9-3-15(27)20(30)16(28)4-9)21(32-17(11)6-10)8-1-13(25)19(29)14(26)2-8/h1-6,18,21,23-30H,7H2/t18-,21-/m1/s1
InChI key
WMBWREPUVVBILR-WIYYLYMNSA-N
General description
Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.
Exact content by quantitative NMR can be found on the certificate.
Application
Reference Standard in the analysis of herbal medicinal products
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Related Content
Quantitative NMR for Content Assignment of Phytochemical Reference Standards
Xiaofeng Meng et al.
Chemical research in toxicology, 15(8), 1042-1050 (2002-08-20)
(-)-Epigallocatechin gallate (EGCG), the most abundant tea catechin, has been proposed to be beneficial to human health based on its strong antioxidative and other biological activities in vitro. Inadequate knowledge regarding the bioavailability and biotransformation of EGCG in humans, however
Masaki Kanadzu et al.
Cancer letters, 241(2), 250-255 (2005-11-24)
(-)-Epigallocatechin gallate (EGCG), a catechin polyphenol component, is the main ingredient of green tea extract. Recently, increasing attention has been given to its anti-oxidant effects. However, several studies reported the oxidative effects of EGCG, suggesting that EGCG had a dual
M Ichihashi et al.
Journal of dermatological science, 23 Suppl 1, S45-S50 (2000-04-15)
Reactive oxygen species (ROS) have been shown to be responsible for inducing DNA damage after ultraviolet radiation (UV). Antioxidant, vitamin E and epigallocatechin gallate extracted from green tea, applied topically to the skin, delayed the onset of UV-induced skin cancer
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 03970590-10MG | 04061838628558 |