Description

Dodecagalacturonic Acid CAS NO 85954-16-1 is a high-purity oligogalacturonide, a specific polymer of galacturonic acid units. This compound serves as a critical reference standard and biochemical tool for research in plant cell wall biology and pectin analysis. It is essential for scientists and manufacturers in the life sciences, nutraceutical, and specialty chemical sectors requiring precise structural analogs for enzymatic studies, method development, and quality control.

Application

• Biochemical Research: Used as a precise substrate or standard for studying pectin-degrading enzymes such as polygalacturonases and pectin lyases.
• Phytopathology Studies: Employed to investigate plant defense mechanisms and the role of oligogalacturonides as signaling molecules (elicitors).
• Analytical Reference Standard: Serves as a high-purity calibrant in chromatographic (HPLC, GPC) and spectroscopic methods for pectin characterization.
• Food Science & Technology: Utilized in research to understand pectin structure-function relationships, gelling mechanisms, and prebiotic potential.
• Nutraceutical Development: Investigated for its potential bioactivity and application in functional food and dietary supplement formulations.
• Cosmetic Science: Applied in research for developing bioactive ingredients with skin-conditioning or anti-inflammatory properties.

Basic Information

Product Name	Dodecagalacturonic Acid
CAS No.	85954-16-1
Molecular Formula	C72H104O73
Molecular Weight	~2000.5 g/mol (for fully protonated form)
Synonyms	α-D-Galactopyranuronic Acid Dodecamer; Oligogalacturonic Acid (DP12); Dodeca(1,4-α-D-galactopyranosyluronic acid); Pectic Oligosaccharide (DP12); Galacturonan Dodecasaccharide; (1→4)-α-D-Galacturonan Dodecamer; PGA12; OGAs (DP12)
EINECS	Contact for details

Quality Control

Our Dodecagalacturonic Acid is produced and handled under strict quality management protocols. Each batch is characterized using advanced analytical techniques including HPLC, mass spectrometry, and NMR to confirm identity, degree of polymerization (DP), and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccation or storage under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95% (as Dodecagalacturonic Acid)
Degree of Polymerization (DP)	12 (by HPAEC-PAD or MS)
Water Content (KF)	≤ 5.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals (as Pb)	≤ 10 ppm

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