primary reference standard

Saponaretin, Homovitexin, 6-C-Glucosylapigenin
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
Beilstein/REAXYS Number:
MDL number:
PubChem Substance ID:


primary reference standard

shelf life

limited shelf life, expiry date on the label



Featured Industry

Food and Beverages

SMILES string




InChI key


Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Biochem/physiol Actions

Phytochemical found in medicinal herbs. Antioxidant.


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Jong Min Kim et al.
Chemistry & biodiversity, 5(2), 352-356 (2008-02-23)
Ellagic acid (1), 3,3'-di-O-methylellagic acid (2), 3,3',4-tri-O-methylellagic acid (3), isovitexin (4), kaempferol 3-O-beta-D-glucuronide methyl ester (5), quercetin 3-O-alpha-L-arabinopyranosyl-(1-->6)-beta-D-galactopyranoside (6), ursolic acid, pomolic acid, tormentic acid, euscaphic acid, euscaphic acid 28-O-beta-D-glucopyranoside, and maslinic acid were isolated from the AcOEt- and BuOH-soluble...
C Y Choo et al.
Journal of ethnopharmacology, 142(3), 776-781 (2012-06-12)
The leaves of Ficus deltoidea are used as a traditional medicine by diabetes patients in Malaysia. The objective of the study is to identify and evaluate bioactive constituents with in vivo α-glucosidase inhibition. The partitioned extracts, subfractions and pure bioactive...
Tie-Jun Ling et al.
Molecules (Basel, Switzerland), 15(11), 8469-8477 (2010-11-23)
Four phenolics, salviaplebeiaside (1), γ-tocopherol (2), chrysosplenol-D (4), and isovitexin (5), along with α-tocoquinone (3) and β-sitosterol (6) were isolated from the aerial parts of Vitex negundo var. cannabifolia. The isolation was performed using bio-assay tracking experiments. The structures of...
María Inés Ragone et al.
Journal of ethnopharmacology, 113(2), 258-266 (2007-07-21)
The spasmolytic effects of an acqueous extract of cedrón (AEC) were studied on rat isolated duodenums. This plant (Aloysia citriodora Palau, Verbenaceae) is widely used for gastrointestinal disorders and as eupeptic in South America. AEC non-competitively inhibited the dose-response curve...
Yujie Fu et al.
Journal of chromatography. A, 1139(2), 206-213 (2006-12-05)
Vitexin and isovitexin are a pair of isomeric compounds known as the major constituents in pigeonpea leaves and possess various pharmacological activities. In the present study, the preparative separation of vitexin and isovitexin with macroporous resins (Nankai Hecheng S &...
Effective analysis of passion flower by HPTLC fingerprinting, in conjunction with a comprehensive range of related reference materials, enables fast and efficient identification of this plant material.
Read More

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service

Social Media

LinkedIn icon
Twitter icon
Facebook Icon
Instagram Icon


Research. Development. Production.

We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and pharmaceutical drug therapy development and production.

© 2021 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved.

Reproduction of any materials from the site is strictly forbidden without permission.