Description

(E)-Monardaein CAS NO 73545-87-6 is a specific, high-purity stereoisomer of the natural anthocyanin pigment monardaein. This compound matters for researchers and manufacturers seeking precise, well-characterized bioactive colorants for advanced applications. It is primarily needed by the nutraceutical, cosmetic, and analytical standard industries for its potent antioxidant properties and vibrant color profile.

Application

• As a reference standard in analytical chemistry for the identification and quantification of anthocyanins in plant extracts and food products.
• As a key bioactive ingredient in nutraceutical and dietary supplement formulations, valued for its antioxidant capacity.
• As a natural colorant and functional additive in cosmetic and personal care products, such as serums and creams.
• In phytochemical and pharmacological research to study the health benefits and mechanisms of action of specific anthocyanin compounds.
• For the development of functional foods and beverages where a stable, natural color with added health benefits is desired.
• As a specialized reagent in biochemical assays to investigate oxidative stress and related cellular pathways.

Basic Information

Product Name	(E)-Monardaein
CAS No.	73545-87-6
Molecular Formula	C30H27O15+
Molecular Weight	627.52 g/mol (as cation)
Synonyms	Monardaein; 3,5,7-Trihydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-1-benzopyrylium-3-O-β-D-glucoside; Cyanidin 3,5-di-O-glucoside 3'-methyl ether 5'-O-glucoside; (E)-Cyanidin 3-(6''-malonylglucoside)-5-glucoside; Natural Red 27 (related anthocyanin class)
EINECS	Contact for details

Quality Control

Our (E)-Monardaein is produced and handled under strict quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and mass spectrometry to confirm identity and potency. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to purple powder
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.