Description

4-Nitrophenyl Caprylate is a specialized organic ester compound widely used as a chromogenic substrate in enzymatic assays. This high-purity biochemical reagent is critical for research and diagnostic applications requiring precise measurement of lipase and esterase activity. It serves as an essential tool for scientists and quality control professionals in the pharmaceutical, biotechnology, and food science industries.

Application

• Enzymatic Substrate for Lipase Assays: Primary use as a chromogenic substrate for the spectrophotometric determination of lipase and esterase enzyme activity.
• Biochemical Research: Used in kinetic studies and enzyme characterization in academic and industrial research laboratories.
• Diagnostic Kit Manufacturing: A key raw material in the production of clinical diagnostic kits for pancreatic function and metabolic disorders.
• Pharmaceutical Quality Control: Employed in potency testing and stability studies of enzyme-based pharmaceutical products.
• Food & Beverage Analysis: Applied in assays to measure lipase activity in food products, ingredients, and during fermentation processes.
• Industrial Enzyme Monitoring: Used to screen and monitor the activity of lipases used in biofuel production, detergent formulations, and other biocatalytic processes.

Basic Information

Product Name	4-Nitrophenyl Caprylate
CAS No.	1956-10-1
Molecular Formula	C₁₄H₁₉NO₄
Molecular Weight	265.31 g/mol
Synonyms	p-Nitrophenyl Octanoate; p-Nitrophenyl Caprylate; 4-Nitrophenyl Octanoate; Octanoic Acid 4-Nitrophenyl Ester; Caprylic Acid 4-Nitrophenyl Ester; PNPC; 4-NPC; 1-(4-Nitrophenyl) Octyl Ester
EINECS	217-809-5

Quality Control

Our 4-Nitrophenyl Caprylate is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the high standards required for sensitive biochemical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	57 - 61 °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.