Description

D-Glucosamine Sulfate is a vital amino sugar and a fundamental building block for glycosaminoglycans, which are essential components of cartilage and synovial fluid. This compound is crucial for supporting joint health and maintaining the structural integrity of connective tissues. It is primarily utilized by manufacturers in the nutraceutical, pharmaceutical, and functional food and beverage industries to formulate products aimed at promoting joint mobility and comfort.

Application

• Dietary Supplements & Nutraceuticals: As the active ingredient in tablets, capsules, and powders for joint health support.
• Pharmaceutical Intermediates: Used in the synthesis of more complex chondroprotective drugs and therapeutic agents.
• Functional Foods & Beverages: Fortification of health drinks, dairy products, and nutritional bars.
• Veterinary Applications: Incorporated into feed supplements and treatments for companion animals and livestock to support joint function.
• Cosmeceuticals: Potential use in topical formulations for skin health due to its role in hyaluronic acid synthesis.
• Research & Development: Serves as a key biochemical reagent in studies related to osteoarthritis, cartilage biology, and glycobiology.

Basic Information

Product Name	D-Glucosamine Sulfate
CAS No.	29031-19-4
Molecular Formula	C6H13NO5 • H2SO4
Molecular Weight	277.25 g/mol (for the sulfate salt)
Synonyms	Glucosamine Sulfate; 2-Amino-2-deoxy-D-glucose sulfate; Chitosamine sulfate; D-Glucosamine, sulfate (1:1); Glucosamine sulphate; (3R,4R,5S,6R)-3-Amino-6-(hydroxymethyl)oxane-2,4,5-triol; sulfate
EINECS	249-379-6

Quality Control

Our D-Glucosamine Sulfate is produced under strict quality management systems. It can be manufactured to meet various pharmacopeial standards, including USP, EP, and FCC specifications, ensuring suitability for pharmaceutical and nutraceutical applications. Every batch undergoes rigorous analytical testing, including assay, identification, and impurity profiling. A comprehensive Certificate of Analysis (COA) is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can lead to caking and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.0% - 102.0% (on dried basis)
Specific Rotation	+47.0° to +53.0° (c=1 in water)
Loss on Drying	≤ 1.0%
Sulfate Content	19.0% - 21.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Microbiological Control	Total Plate Count ≤ 1000 cfu/g; Yeast & Mold ≤ 100 cfu/g; Absence of E. coli, Salmonella

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