Description

Marein is a high-purity flavonoid glycoside compound, also known as 7-O-β-D-glucopyranosyloxy-5-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one. This specialized phytochemical is valued for its role as a key reference standard and active ingredient in research and development. It is primarily utilized by the pharmaceutical, nutraceutical, and advanced chemical synthesis sectors for analytical and formulation purposes.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and assay calibration in the quality control of flavonoid-based drugs and herbal extracts.
• Biochemical Research: Serves as a critical reagent in studies investigating antioxidant mechanisms, enzyme inhibition, and cellular signaling pathways.
• Nutraceutical Formulation: Incorporated into advanced dietary supplements targeting oxidative stress, leveraging its bioactive flavonoid structure.
• Cosmetic Actives: Used in the development of high-end skincare products for its potential anti-aging and skin-protective properties.
• Chemical Synthesis: Acts as a sophisticated intermediate or starting material for the synthesis of novel flavonoid derivatives and analogs.

Basic Information

Product Name	Marein
CAS No.	535-96-6
Molecular Formula	C21H20O11
Molecular Weight	448.38 g/mol
Synonyms	Coreopsin; 7-O-β-D-Glucopyranosyloxy-5-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one; 5,7,4'-Trihydroxyflavone-7-glucoside; 5,7,4'-Trihydroxyflavone 7-O-β-D-glucopyranoside; 7-Glucosyloxy-5,4'-dihydroxyflavone; Marein (flavonoid); C.I. 75670
EINECS	208-627-5

Quality Control

Our Marein is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data including HPLC purity, identity confirmation by spectroscopic methods (IR, NMR), and residual solvent analysis. A Certificate of Analysis (COA) is provided with each shipment, detailing all specifications and test results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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