Description

α-D-Cellobiose Octaacetate is a fully acetylated derivative of the disaccharide cellobiose, serving as a crucial high-purity intermediate and chiral building block in advanced organic synthesis. This compound is valued for its defined stereochemistry and protective group chemistry, enabling precise modifications in complex molecule construction. It is primarily required by research institutions and industrial laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors for applications ranging from glycosylation studies to the development of novel bioactive compounds.

Application

• Pharmaceutical Intermediate: Used as a key chiral precursor in the synthesis of complex drug molecules, particularly in carbohydrate-based therapeutics.
• Glycoscience Research: Serves as a standard or starting material for studying enzymatic glycosylation, hydrolysis, and carbohydrate-protein interactions.
• Chemical Synthesis: Acts as a protected glycosyl donor or acceptor in multi-step organic synthesis to create novel glycoconjugates and polymers.
• Agrochemical Development: Employed in the research and development of new, targeted crop protection agents that utilize sugar-based chemistry.
• Analytical Standard: Functions as a high-purity reference standard for chromatographic (HPLC, GC) and spectroscopic analysis in quality control laboratories.
• Material Science: Investigated for the production of specialized biodegradable polymers and advanced materials with specific functional properties.

Basic Information

Product Name	α-D-Cellobiose Octaacetate
CAS No.	5346-90-7
Molecular Formula	C28H38O19
Molecular Weight	678.59 g/mol
Synonyms	Cellobiose Octaacetate; α-D-Cellobiose Octaacetate; 1,2,3,6-Tetra-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-α-D-glucopyranose; α-Cellobiose Octaacetate; D-(+)-Cellobiose Octaacetate; Octaacetylcellobiose; Cellobiose Octa-Acetate
EINECS	226-310-1

Quality Control

Our α-D-Cellobiose Octaacetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing all specifications and test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed in a dry environment to prevent hydrolysis of the acetyl groups.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	222 - 226 °C
Specific Rotation [α]20/D	+38.0° to +42.0° (c=1 in CHCl3)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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