Description

Limocitrin is a naturally occurring flavonoid compound, also known as 3,5,6,7,8,3',4'-Heptamethoxyflavone, with the CAS registry number 489-33-8. This high-purity phytochemical is valued for its role as a key reference standard and active research compound in analytical and life science laboratories. It serves critical functions in the pharmaceutical, nutraceutical, and cosmetic industries, where precise chemical identity and purity are paramount for research, quality control, and product development.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the identification, assay, and impurity profiling of flavonoid-based drugs and herbal extracts in HPLC, LC-MS, and TLC analyses.
• Nutraceutical & Dietary Supplement Research: Employed as a bioactive marker compound in the research and standardization of botanical supplements, particularly those derived from citrus species.
• Cosmetic Ingredient R&D: Investigated for its potential antioxidant and skin-beneficial properties in the development of advanced cosmetic and personal care formulations.
• Academic & Life Science Research: Serves as a crucial tool in biochemical, pharmacological, and metabolic studies to understand the mechanisms of action of polymethoxyflavones.
• Food & Beverage Analysis: Acts as an analytical standard for quality control and authenticity testing in the flavor, fragrance, and beverage industries.

Basic Information

Product Name	Limocitrin
CAS No.	489-33-8
Molecular Formula	C₂₂H₂₄O₉
Molecular Weight	432.42 g/mol
Synonyms	3,5,6,7,8,3',4'-Heptamethoxyflavone; 5,6,7,8,3',4'-Hexamethoxyflavone (common misnomer); Citrus Flavonoid Heptamethoxyflavone; Limocitrol; 3,5,6,7,8-Pentamethoxy-3',4'-dimethoxyflavone
EINECS	Contact for details

Quality Control

Every batch of Limocitrin is produced and controlled under a strict quality management system. We provide comprehensive analytical documentation to support your regulatory and research needs. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles as determined by advanced chromatographic methods.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%

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