Description

D-(-)-Galactonic Acid-γ-Lactone is a high-purity chiral lactone derived from galactose, serving as a critical intermediate in organic synthesis and biochemical research. Its value lies in its role as a versatile building block for synthesizing complex carbohydrates, glycoconjugates, and other fine chemicals. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and nutraceutical industries, particularly for developing chiral active pharmaceutical ingredients (APIs) and advanced glycobiology studies.

Application

• Pharmaceutical Intermediate: A key chiral precursor for the synthesis of antiviral drugs, enzyme inhibitors, and other therapeutic agents.
• Glycobiology Research: Used in the study of carbohydrate metabolism, enzyme mechanisms, and the synthesis of complex oligosaccharides and glycoproteins.
• Fine Chemical Synthesis: Serves as a versatile building block for producing specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Biochemical Reagent: Employed as a substrate or standard in enzymatic assays and analytical methods for carbohydrate analysis.
• Cosmetic & Personal Care: Potential use in the formulation of skin-conditioning agents and mild exfoliants derived from sugar acids.
• Food Science Research: Investigated for its role in Maillard reaction studies and as a potential precursor for certain food-grade additives.

Basic Information

Product Name	D-(-)-Galactonic Acid-γ-Lactone
CAS No.	10030-62-3
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	D-Galactono-1,4-lactone; D-Galactonic acid γ-lactone; D-(-)-Galactono-γ-lactone; Galactonolactone; D-Galactonolactone; (3R,4S,5R,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)oxan-2-one; Galactose oxidase substrate
EINECS	233-076-6

Quality Control

Our D-(-)-Galactonic Acid-γ-Lactone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We support compliance with cGMP, ISO, and other relevant quality frameworks for pharmaceutical and laboratory applications.

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 after each use to prevent absorption of atmospheric moisture, which can lead to hydrolysis. For long-term storage, consider using a desiccant in the storage environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]²⁰D	-76° to -80° (c=1 in H₂O)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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