Description

Melibiose is a disaccharide sugar composed of galactose and glucose, widely recognized for its role as a biochemical research tool and a functional ingredient. Its significance lies in its specific enzymatic hydrolysis by α-galactosidase, making it a critical substrate for diagnostic assays and enzyme activity studies. This compound is essential for researchers in life sciences, manufacturers of specialty food ingredients, and developers of diagnostic kits who require high-purity, reliable substrates.

Application

• Biochemical Research: Used as a specific substrate for α-galactosidase enzyme assays and kinetic studies.
• Diagnostic Reagents: A key component in the formulation of diagnostic kits for enzyme deficiency disorders like Fabry disease.
• Microbiology & Fermentation: Serves as a selective carbon source in microbial culture media for studying bacterial metabolism.
• Food Science: Investigated as a potential prebiotic or low-glycemic index sweetener in functional food development.
• Pharmaceutical Intermediates: Acts as a chiral starting material or building block in the synthesis of complex carbohydrates and glycoconjugates.
• Standards & Calibration: Provides a high-purity reference standard for chromatographic analysis (HPLC, GC) and quality control in related industries.

Basic Information

Product Name	Melibiose
CAS No.	5340-95-4
Molecular Formula	C₁₂H₂₂O₁₁
Molecular Weight	342.30 g/mol
Synonyms	6-O-α-D-Galactopyranosyl-D-glucose; D-(+)-Melibiose; α-D-Galactopyranosyl-(1→6)-D-glucose; Melibiose hydrate; 6-O-α-D-Galactosyl-D-glucose; α-Melibiose; D-Melibiose monohydrate; (α-D-Galactosyl)-(1,6)-D-glucose
EINECS	226-277-0

Quality Control

Our Melibiose is produced and tested under a rigorous quality management system to ensure batch-to-batch consistency and high purity suitable for research and industrial applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identification, and impurity profiles. We can supply material that meets the specifications required for analytical standards, biochemical use, and food-grade applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed in a low-humidity environment to prevent absorption of water.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Specific Rotation [α]²⁰D	+139° to +143° (c=4 in H₂O)
Water (Karl Fischer)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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