Description

α-D-Cellobiose Octaacetate is a fully acetylated derivative of the disaccharide cellobiose, serving as a crucial protected intermediate in carbohydrate chemistry. This high-purity compound is essential for researchers and manufacturers requiring a stable, non-reactive form of cellobiose for controlled synthetic transformations. It is primarily utilized in the development of pharmaceuticals, advanced materials, and as a standard in analytical chemistry for method validation and calibration.

Application

• Pharmaceutical Intermediate: Acts as a key protected building block in the synthesis of complex oligosaccharides, glycoconjugates, and novel drug candidates.
• Chemical Research & Development: Serves as a standard reference material and a versatile starting material for glycosylation reactions and the study of enzyme mechanisms.
• Material Science: Used in the development of specialty polymers, biodegradable materials, and liquid crystals due to its rigid molecular structure.
• Analytical Chemistry: Employed as a high-purity standard for HPLC, GC, and mass spectrometry to calibrate instruments and validate analytical methods for carbohydrate analysis.
• Biochemical Studies: Utilized as a substrate or inhibitor in enzymatic assays to study cellulases, glycosidases, and other carbohydrate-active enzymes.

Basic Information

Product Name	α-D-Cellobiose Octaacetate
CAS No.	3616-19-1
Molecular Formula	C28H38O19
Molecular Weight	678.59 g/mol
Synonyms	Cellobiose Octaacetate; D-Cellobiose Octaacetate; α-Cellobiose Octaacetate; 1,2,3,6-Tetra-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-α-D-glucopyranose; Octaacetylcellobiose; Cellobiose Octaacetate, Alpha Anomer; Acetylated Cellobiose
EINECS	222-806-1

Quality Control

Our α-D-Cellobiose Octaacetate is manufactured under strict quality management systems. Every batch is subjected to comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and specific tests for residual solvents and moisture. A detailed Certificate of Analysis (COA) is provided with each shipment, ensuring traceability and compliance with your research or production specifications.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	225 - 230 °C
Specific Rotation [α]²⁰D	+38.0° to +42.0° (c=1 in CHCl₃)
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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