Description

o-Nitrophenyl Valerate is a specialized organic ester compound widely used as a key chemical intermediate and a chromogenic substrate in enzymatic assays. Its primary commercial value lies in its role as a sensitive reagent for detecting and quantifying specific enzyme activities, particularly esterases and lipases, in research and diagnostic applications. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, biotechnology, and life science sectors, where precise biochemical analysis is critical.

Application

• Enzymatic Substrate: Acts as a chromogenic substrate for the colorimetric detection and kinetic study of esterase and lipase enzyme activity.
• Biochemical Research: Used in the development and validation of in-vitro diagnostic (IVD) assays and research kits for enzyme inhibition studies.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of more complex molecules for pharmaceutical development.
• Chemical Synthesis: Employed in organic synthesis as an acylating agent or a protected form of valeric acid.
• Quality Control Reagent: Utilized in industrial settings to monitor enzymatic processes or as a standard in analytical laboratories.

Basic Information

Product Name	o-Nitrophenyl Valerate
CAS No.	87199-29-9
Molecular Formula	C11H13NO4
Molecular Weight	223.23 g/mol
Synonyms	2-Nitrophenyl Valerate; Valeric Acid 2-Nitrophenyl Ester; ONPV; o-Nitrophenyl Pentanoate; 2-Nitrophenyl Pentanoate; Pentanoic Acid 2-Nitrophenyl Ester; ONP-Valerate
EINECS	Contact for details

Quality Control

Our o-Nitrophenyl Valerate is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for sensitive biochemical applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality commitment aligns with the standards expected by research and pharmaceutical industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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