Description

D-Galacturonic Acid is a key uronic acid derivative and a primary component of pectin, serving as a crucial building block in polysaccharide chemistry and biochemical research. Its significance lies in its role as a model compound for studying pectin degradation, enzymatic activity, and carbohydrate metabolism. This high-purity material is essential for researchers and manufacturers in the pharmaceutical, food science, and cosmetic industries, where it is used in analytical standards, enzymatic substrates, and the synthesis of bioactive molecules.

Application

• Biochemical Research & Standard: Used as a pure reference standard in HPLC and GC analysis for quantifying pectin and its degradation products in various matrices.
• Enzymology Substrate: Serves as a specific substrate for enzymes like polygalacturonase and pectin lyase in activity assays and kinetic studies.
• Pharmaceutical Intermediate: Acts as a chiral starting material or intermediate in the synthesis of complex carbohydrates, glycoconjugates, and potential therapeutic agents.
• Food Science & Technology: Employed in research related to pectin gelation, food texture modification, and the study of dietary fiber digestion.
• Cosmetic Ingredient: Investigated for use in skincare formulations for its potential hydrating and film-forming properties derived from its carbohydrate structure.
• Microbiology & Fermentation: Used in microbial culture media to study bacterial pathways for pectin utilization and organic acid production.

Basic Information

Product Name	D-Galacturonic Acid
CAS No.	14984-39-5
Molecular Formula	C6H10O7
Molecular Weight	194.14 g/mol
Synonyms	Galacturonic Acid; (2S,3R,4S,5R)-2,3,4,5-Tetrahydroxy-6-oxohexanoic Acid; D-Galactopyranuronic Acid; Pectic Acid Monomer; D-(+)-Galacturonic Acid; GalA; 6-Carboxy-D-galactose
EINECS	239-069-7

Quality Control

Our D-Galacturonic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for research and industrial applications. A detailed Certificate of Analysis (COA) is provided, documenting key parameters such as assay purity, identification, and impurity profiles. We adhere to relevant industry guidelines to ensure product consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption. Recommended long-term storage at 2-8°C for optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Specific Rotation	+50.0° to +55.0° (c=1 in H2O)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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