Description

4-Nitrophenyl-α-D-Maltoheptaoside is a specialized chromogenic substrate designed for the sensitive and quantitative detection of α-amylase activity. This compound matters because it provides a reliable, colorimetric readout essential for enzymatic research and diagnostic applications. It is primarily needed by biochemical researchers, diagnostic kit manufacturers, and quality control laboratories in the pharmaceutical and food industries for precise enzyme analysis.

Application

• Enzymatic Assay Substrate: Primary chromogenic substrate for the spectrophotometric determination of α-amylase activity in research and clinical diagnostics.
• Diagnostic Reagent Manufacturing: Key raw material in the production of clinical diagnostic kits for pancreatic disorders and other conditions related to amylase levels.
• Biochemical Research: Used in enzyme kinetics studies, inhibitor screening, and characterization of α-amylase from various biological sources.
• Pharmaceutical Quality Control: Employed in potency testing and quality assurance of enzyme-based pharmaceutical preparations.
• Food Science & Industry: Applied in the analysis of amylase activity in grain processing, baking, brewing, and starch conversion processes.
• Microbiology: Useful in studies of microbial α-amylase production and for identifying amylase-producing bacterial strains.

Basic Information

Product Name	4-Nitrophenyl-α-D-Maltoheptaoside
CAS No.	74173-31-2
Molecular Formula	C49H81NO37
Molecular Weight	1299.14 g/mol
Synonyms	p-Nitrophenyl α-D-maltoheptaoside; 4-Nitrophenyl α-maltoheptaoside; PNPG7; α-Amylase Substrate; PNP-α-Maltoheptaoside; 4-NP-α-G7; EINECS 277-633-1; Amylase Chromogenic Substrate
EINECS	277-633-1

Quality Control

Our 4-Nitrophenyl-α-D-Maltoheptaoside is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and diagnostic applications. A detailed Certificate of Analysis (COA) documenting purity, assay, and performance in enzymatic assays is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a dry, cool place. This product is hygroscopic (moisture-sensitive) and light-sensitive (store away from light). For long-term stability, consider storage under desiccant.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Assay (Enzymatic)	Suitable for α-amylase detection
Water Content (KF)	≤ 5.0%
Solubility	Soluble in water, DMSO

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