Description

2,3,4,5,6-Pentagalloylglucose is a high-purity, naturally derived polyphenolic compound, specifically a hydrolyzable tannin, known for its potent antioxidant and biological activity. Its value lies in its ability to act as a key intermediate and reference standard for research into nutraceuticals, pharmaceuticals, and advanced cosmetic formulations. This compound is essential for manufacturers and R&D teams in the pharmaceutical, dietary supplement, and personal care industries seeking bioactive ingredients with well-characterized properties. The product is supplied with full traceability and comprehensive analytical documentation to ensure batch-to-batch consistency for critical applications.

Application

• Pharmaceutical Research & Development: Serves as a critical reference standard and active pharmaceutical ingredient (API) intermediate for studying anti-inflammatory, antiviral, and anticancer agents.
• Nutraceutical & Dietary Supplements: Used as a premium bioactive component in formulations targeting oxidative stress, due to its high antioxidant capacity.
• Cosmetics & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and collagen-stabilizing properties.
• Biochemical Research: Employed as a substrate or inhibitor in enzymatic studies, particularly those involving tannase and other hydrolases.
• Natural Product Standardization: Acts as a quantitative marker compound for the quality control of botanical extracts rich in tannins, such as those from gallnuts and certain fruits.
• Food Science: Investigated for its potential as a natural preservative and antioxidant in functional food products.

Basic Information

Product Name	2,3,4,5,6-Pentagalloylglucose
CAS No.	50678-27-8
Molecular Formula	C41H32O26
Molecular Weight	940.68 g/mol
Synonyms	1,2,3,4,6-Penta-O-galloyl-β-D-glucose; β-D-Glucopyranose, 1,2,3,4,6-pentakis-O-(3,4,5-trihydroxybenzoyl)-; Penta-O-galloyl-β-D-glucose; 1,2,3,4,6-Pentagalloylglucose; PGG; Tannic acid core; Gallotannin core; Pentagalloyl glucose
EINECS	Contact for details

Quality Control

Our 2,3,4,5,6-Pentagalloylglucose is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis to ensure compliance with high-purity research and pharmaceutical-grade standards. Certificates of Analysis (COA) detailing all test results are provided to guarantee traceability, identity, purity, and potency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) or as specified on the label. This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, consider under an inert atmosphere. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥95.0%
Water Content (KF)	≤5.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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