Description

Laminaribiose Octaacetate is a fully acetylated derivative of the disaccharide laminaribiose, serving as a crucial protected intermediate in carbohydrate chemistry. This high-purity building block is essential for researchers and manufacturers requiring precise glycosylation control and stereoselective synthesis. It is primarily utilized in the development of novel pharmaceuticals, advanced glycoconjugate vaccines, and complex oligosaccharide libraries for biological studies.

Application

• Pharmaceutical Intermediate: A key protected synthon for the synthesis of laminarin-derived oligosaccharides and glycoconjugates with immunomodulatory or anti-tumor activity.
• Glycobiology Research: Used as a standard or starting material for studying β-(1→3)-glucan recognition, enzymatic activities of glucanases, and host-pathogen interactions.
• Carbohydrate Chemistry: Serves as a versatile building block for the stepwise, controlled synthesis of complex β-glucan oligomers and polymers via glycosylation reactions.
• Biochemical Tool Development: Employed in the preparation of affinity probes, labeled substrates, or inhibitors for enzymes targeting β-glucan structures.
• Vaccine Adjuvant Research: Investigated as a precursor for synthesizing defined, synthetic analogs of β-glucan adjuvants to study structure-activity relationships.
• Material Science: Potential monomer for creating novel bio-based polymers with specific degradability or biocompatibility profiles.

Basic Information

Product Name	Laminaribiose Octaacetate
CAS No.	51157-42-7
Molecular Formula	C28H38O19
Molecular Weight	678.59 g/mol
Synonyms	β-D-Glucopyranosyl-(1→3)-β-D-glucopyranose Octaacetate; 3-O-β-D-Glucopyranosyl-D-glucose Octaacetate; Laminaribiose Octaacetate; 1,2,4,6-Tetra-O-acetyl-3-O-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)-β-D-glucopyranose; Octaacetyl Laminaribiose; Laminaribiose Peracetate; β-Laminaribiose Octaacetate
EINECS	Contact for details

Quality Control

Our Laminaribiose Octaacetate is manufactured under controlled conditions to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by NMR and MS. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with our stringent in-house specifications. We support cGMP manufacturing for pharmaceutical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This compound is hygroscopic (moisture-sensitive). For long-term storage under inert atmosphere, consider sealing under argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation [α]²⁰D	-20° to -24° (c=1 in CHCl₃)

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