Description

α-D-Galacturonic Acid Hydrate is a high-purity monosaccharide derivative and a key monomeric unit of pectin. This compound is essential for research and development in biochemistry and glycobiology, serving as a critical building block and standard. It is primarily utilized by the pharmaceutical, cosmetic, and food science industries for analytical research, enzymatic studies, and as a precursor for synthesizing complex carbohydrates and bioactive molecules.

Application

• Biochemical Research & Standard: Used as a high-purity reference standard in HPLC and GC analysis for quantifying pectin content and studying pectinolytic enzymes.
• Pharmaceutical Development: Serves as a key chiral intermediate and building block for the synthesis of novel glycoconjugates, prodrugs, and potential therapeutic agents.
• Enzymology Studies: Acts as a specific substrate for enzymes like polygalacturonase and pectin lyase in kinetic studies and enzyme activity assays.
• Cosmetic Science: Investigated for use in advanced skincare formulations, leveraging its derivatization potential for creating novel humectants or bioactive compounds.
• Food Science & Technology: Employed in research to understand pectin structure, functionality, and degradation, aiding in texture modification and quality control.
• Glycobiology: Fundamental for synthesizing oligosaccharides and glycans to study cell signaling, recognition processes, and carbohydrate-protein interactions.

Basic Information

Item	Details
Product Name	α-D-Galacturonic Acid Hydrate
CAS No.	91510-62-2
Molecular Formula	C6H10O7 · xH2O
Molecular Weight	Anhydrous: 194.14 g/mol
Synonyms	D-Galacturonic Acid Monohydrate; GalA; Pectic Acid Monomer; (2S,3R,4S,5R)-2,3,4,5-Tetrahydroxy-6-oxohexanoic Acid Hydrate; D-(+)-Galacturonic Acid Hydrate; α-D-Galactopyranuronic Acid Hydrate; Polygalacturonic Acid Monomer
EINECS	Contact for details

Quality Control

Our α-D-Galacturonic Acid Hydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, specific optical rotation, and loss on drying, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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) and must be kept under dry conditions to maintain stability and purity. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0% (on anhydrous basis)
Specific Optical Rotation	+50.0° to +55.0° (c=1 in H2O)
Loss on Drying	≤ 10.0 %
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1 %

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