Description

Threo-Guaiacylglycerol-β-o-4'-Sinapyl Ether is a specific stereoisomer of a complex lignin-derived β-O-4 dimer, representing a crucial structural model compound in lignin chemistry. This compound matters significantly for researchers and industries focused on understanding and manipulating lignin's structure, reactivity, and degradation pathways. It is primarily needed by the biomass conversion, pulp and paper, and biofuel research sectors as a high-purity analytical standard and a synthetic intermediate for developing novel biorefinery processes.

Application

• Lignin Biomimetic Studies: Serves as a high-purity reference compound for NMR and MS analysis to elucidate native lignin structure and bonding.
• Enzymatic Degradation Research: Used as a specific substrate to study the activity and mechanisms of ligninolytic enzymes like laccases and peroxidases.
• Pulp Bleaching & Delignification: Acts as a model compound to develop and optimize chemical pulping and bleaching processes for improved yield and reduced environmental impact.
• Catalytic Depolymerization: Employed in R&D for testing novel catalysts aimed at breaking β-O-4 linkages to convert lignin into valuable aromatic monomers.
• Synthetic Chemistry Intermediate: Provides a defined stereochemical starting point for the synthesis of more complex lignin-like polymers or novel materials.
• Analytical Standard Production: Used by manufacturers to calibrate equipment and validate methods for lignin analysis in quality control laboratories.

Basic Information

Product Name	Threo-Guaiacylglycerol-β-o-4'-Sinapyl Ether
CAS No.	288864-26-6
Molecular Formula	C21H26O8
Molecular Weight	406.43 g/mol
Synonyms	Guaiacylglycerol-β-sinapyl ether (threo); β-O-4 Lignin Dimer (threo-guaiacyl/sinapyl); 1-(4-Hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-[(E)-3-hydroxy-1-propenyl]phenoxy]-1,3-propanediol (threo); Erythro-Guaiacylglycerol-β-Coniferyl Ether Isomer; Lignin Model Compound; DHP Model Compound; (2R,3S)-1-(4-Hydroxy-3-methoxyphenyl)-2-(2-methoxy-4-[(E)-3-hydroxyprop-1-en-1-yl]phenoxy)propane-1,3-diol
EINECS	Contact for details

Quality Control

Our Threo-Guaiacylglycerol-β-o-4'-Sinapyl Ether is produced under stringent conditions to ensure high stereochemical purity and batch-to-batch consistency, critical for research reproducibility. Each batch undergoes comprehensive analytical characterization, including HPLC, NMR (1H and 13C), and MS, to confirm identity, isomeric purity, and chemical integrity. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at -20°C or below under an inert atmosphere. Allow the product to warm to room temperature in the sealed container before opening to prevent moisture condensation. The storage area should be cool, dry, and well-ventilated.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to reference spectrum
Purity (HPLC, Area %)	≥ 95.0%
Isomeric Purity (threo)	≥ 98.0% (by 1H NMR)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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