Description

4-Nitrophenyl Laurate is a chromogenic substrate ester widely used in enzymatic assays and biochemical research. This compound is valued for its role as a specific and sensitive reagent for detecting and quantifying lipase and esterase activity. It is essential for researchers and quality control laboratories in the pharmaceutical, biotechnology, and food science industries. The product is supplied with a commitment to high purity and batch-to-batch consistency.

Application

• Enzymatic Assay Substrate: Primary substrate for the colorimetric determination of lipase and esterase enzyme activity.
• Biochemical Research: Used in kinetic studies and enzyme characterization to understand catalytic mechanisms and inhibition.
• Diagnostic Reagent Manufacturing: A key component in the formulation of diagnostic kits for clinical and veterinary analysis.
• Pharmaceutical Quality Control: Employed in potency testing and stability studies of enzyme-based pharmaceuticals.
• Industrial Enzyme Screening: Utilized in high-throughput screening for discovering and optimizing industrial enzymes in biotechnology.
• Academic Laboratory Use: A standard reagent in university and research institute labs for teaching and fundamental science.

Basic Information

Product Name	4-Nitrophenyl Laurate
CAS No.	1956-11-2
Molecular Formula	C18H27NO4
Molecular Weight	321.41 g/mol
Synonyms	p-Nitrophenyl Laurate; p-Nitrophenyl Dodecanoate; 4-Nitrophenyl Dodecanoate; Lauric Acid 4-Nitrophenyl Ester; Dodecanoic Acid 4-Nitrophenyl Ester; PNPL; 4-NPL; Lipase Substrate
EINECS	217-809-6

Quality Control

Our 4-Nitrophenyl Laurate is manufactured under a strict quality management system. Each batch is analyzed to ensure high purity and performance suitability for sensitive enzymatic assays. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and related substance profiles. While not typically a compendial item, production can adhere to relevant GMP or ISO 9001 guidelines for research and diagnostic use upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from heat sources and incompatible materials. For long-term stability, consider storage under inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	60 - 64 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in organic solvents (e.g., DMSO, ethanol, acetone)

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