Description

4-Nitrophenyl-α-D-Galactopyranoside is a chromogenic substrate specifically designed for the detection and quantification of α-galactosidase enzyme activity. This compound is critical for biochemical research and diagnostic applications where precise enzymatic measurement is required. It is primarily utilized by research institutions, diagnostic kit manufacturers, and pharmaceutical companies involved in enzyme kinetics studies, genetic disorder screening, and quality control of enzyme preparations.

Application

• Enzymatic Assay Substrate: A primary chromogenic substrate for the spectrophotometric determination of α-galactosidase activity in research and clinical diagnostics.
• Diagnostic Reagent Manufacturing: A key raw material in the production of diagnostic kits for genetic conditions such as Fabry disease, which involves α-galactosidase A deficiency.
• Biochemical Research: Used in enzyme kinetics studies, inhibitor screening, and characterization of α-galactosidase enzymes from various biological sources.
• Microbiology: Employed in microbial identification and characterization protocols that rely on specific glycosidase activity profiles.
• Food & Beverage Industry: Potential application in enzyme activity assays for quality control in processes involving carbohydrate modification.
• Pharmaceutical Development: Used in the research and quality control of therapeutic enzyme preparations and related biopharmaceuticals.

Basic Information

Product Name	4-Nitrophenyl-α-D-Galactopyranoside
CAS No.	7493-95-0
Molecular Formula	C12H15NO8
Molecular Weight	301.25 g/mol
Synonyms	p-Nitrophenyl-α-D-galactopyranoside; PNPG; 4-Nitrophenyl α-D-galactoside; α-PNPG; p-Nitrophenyl-α-D-galactoside; 4-Nitrophenyl α-D-galactopyranoside; α-D-Galactopyranoside, 4-nitrophenyl; O-4-Nitrophenyl-α-D-galactopyranoside
EINECS	231-324-8

Quality Control

Our 4-Nitrophenyl-α-D-Galactopyranoside is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive biochemical applications. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring traceability and consistency for our global B2B clients.

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) and should be handled in a low-humidity environment to prevent degradation. For long-term stability, consider storage under inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
Specific Rotation	Contact for details
Solubility	Soluble in water, DMSO, DMF

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