Description

D-Heptamannuronic Acid Heptasodium Salt is a well-defined, high-purity oligosaccharide derivative of alginic acid. This compound is valued for its consistent molecular weight and defined structure, making it a critical reference standard and research-grade material. It is primarily utilized by researchers and manufacturers in the life sciences, pharmaceutical development, and advanced material science sectors for method validation, biochemical studies, and as a building block for specialized polymers.

Application

• Pharmaceutical Reference Standard: Used for the calibration of analytical instruments and validation of assay methods in drug development and quality control laboratories.
• Biochemical Research: Serves as a substrate or inhibitor in enzymatic studies, particularly those involving alginate lyases and related polysaccharide-degrading enzymes.
• Structure-Activity Relationship (SAR) Studies: Employed as a well-characterized oligomer to investigate the biological activity and properties of alginate-derived compounds.
• Advanced Material Precursor: Acts as a starting material or modifying agent in the synthesis of functionalized hydrogels, biocompatible coatings, and drug delivery systems.
• Food Science Research: Used in studies exploring the textural, gelling, or stabilizing properties of alginate oligomers in model food systems.

Basic Information

Product Name	D-Heptamannuronic Acid Heptasodium Salt
CAS No.	862694-97-1
Molecular Formula	C35H35Na7O35
Molecular Weight	~1250.6 g/mol (Contact for exact value)
Synonyms	Heptasodium D-Heptamannuronate; Sodium D-Heptamannuronate; Heptamer of Mannuronic Acid Sodium Salt; Oligomanuronate Heptasodium Salt; M7 Sodium Salt; Alginate Oligosaccharide (M7); (1→4)-α-D-Mannuronan Heptasodium Salt
EINECS	Contact for details

Quality Control

Our D-Heptamannuronic Acid Heptasodium Salt is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and other critical parameters. We adhere to relevant guidelines for laboratory and analytical standards.

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 powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Assay (NMR/Titration)	≥ 90.0% (on anhydrous basis)
Water Content (KF)	≤ 8.0%
Residue on Ignition	30.0% - 40.0%
Heavy Metals	≤ 20 ppm
Microbial Limits	Contact for details

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