Description

3,4-Di-o-Galloyl-5-o-Digalloylquinic Acid is a high-purity, complex polyphenolic compound derived from hydrolyzable tannins. This specialized chemical is valued for its potent antioxidant and bioactive properties, making it a critical intermediate and reference standard for advanced research and development. It is primarily sought by manufacturers and researchers in the pharmaceutical, nutraceutical, and cosmetic industries for applications in formulation, quality control, and bioactivity studies.

Application

• Pharmaceutical Research: Serves as a key reference standard and active pharmaceutical ingredient (API) intermediate for developing antioxidant and anti-inflammatory therapeutics.
• Nutraceutical Formulations: Used as a premium bioactive component in dietary supplements targeting oxidative stress and metabolic health.
• Cosmetic & Skincare Products: Incorporated into anti-aging serums, creams, and lotions for its strong free-radical scavenging and skin-protective effects.
• Biochemical Research: Essential tool for in-vitro and in-vivo studies on polyphenol metabolism, bioavailability, and mechanism of action.
• Quality Control & Standardization: Acts as a certified reference material (CRM) for the HPLC/LC-MS analysis and standardization of tannin-rich botanical extracts.
• Functional Food & Beverage Development: Explored as a natural preservative and functional additive to enhance the health profile of food products.

Basic Information

Product Name	3,4-Di-o-Galloyl-5-o-Digalloylquinic Acid
CAS No.	123134-20-3
Molecular Formula	C41H30O26
Molecular Weight	938.66 g/mol
Synonyms	3,4-Di-O-galloyl-5-O-digalloylquinic acid; 1,3,4,5-Tetragalloylquinic acid; Quinic acid, 3,4-bis(3,4,5-trihydroxybenzoyl)-, 5-(3,4,5-trihydroxybenzoate); Tannic acid constituent; Tetragalloylquinic acid; 3,4-Di-O-galloylquinic acid 5-O-digallate; Hydrolyzable tannin QA4.
EINECS	Contact for details

Quality Control

Our 3,4-Di-o-Galloyl-5-o-Digalloylquinic Acid is produced and controlled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, MS), to ensure it meets the high standards required for research and industrial use. A detailed Certificate of Analysis (COA) specifying batch-specific results 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 under an inert atmosphere (e.g., nitrogen or argon) to minimize oxidation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Complies with ICH guidelines

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