Description

D-Galactopyranose Pentaacetate is a fully acetylated derivative of galactose, a key monosaccharide. This high-purity intermediate is critical for synthetic organic chemistry, particularly in the preparation of complex carbohydrates and glycoconjugates. It serves as a vital building block for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors, enabling the synthesis of novel therapeutic agents and diagnostic tools.

Application

• Pharmaceutical Intermediate: A key protected sugar synthon for the synthesis of nucleoside analogs, glycomimetics, and other bioactive molecules.
• Glycochemistry Research: Used as a starting material for the controlled synthesis of oligosaccharides, glycopeptides, and glycolipids.
• Bioconjugation: Acts as a precursor for generating activated sugar donors used in enzymatic or chemical glycosylation strategies.
• Fine Chemical Synthesis: Employed in the production of specialty chemicals, chiral auxiliaries, and ligands for catalysis.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	D-Galactopyranose Pentaacetate
CAS No.	25878-60-8
Molecular Formula	C16H22O11
Molecular Weight	390.34 g/mol
Synonyms	1,2,3,4,6-Penta-O-acetyl-α-D-galactopyranose; α-D-Galactose Pentaacetate; Penta-O-acetyl-α-D-galactopyranose; Acetylated D-Galactose; Galactose Pentaacetate; α-D-Galactopyranosyl Pentaacetate; D-Galactose Pentaacetate (α-form)
EINECS	247-321-2

Quality Control

Our D-Galactopyranose Pentaacetate is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC, NMR, and optical rotation, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with our stringent specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions when required.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]²⁰D	+102° to +106° (c=1 in CHCl₃)
Melting Point	94 - 98 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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