Description

2-Butenoic Acid 4-Nitrophenyl Ester is a specialized organic ester compound, recognized by the CAS registry number 35665-90-8. This chemical serves as a valuable synthetic intermediate and reagent in advanced organic synthesis and pharmaceutical research. It is primarily utilized by R&D laboratories, fine chemical manufacturers, and pharmaceutical companies for developing active pharmaceutical ingredients (APIs) and other high-value compounds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reagent or substrate in enzymatic studies and biochemical assays.
• Organic Synthesis: Serves as an acylating agent or a protected intermediate in multi-step synthetic routes for fine chemicals.
• Agrochemical Development: Employed in the research and synthesis of novel crop protection agents and herbicides.
• Dye and Pigment Synthesis: Acts as a precursor in the manufacture of specialized dyes and colorants.
• Polymer Chemistry: Can be used to introduce specific functional groups into polymer chains for specialty materials.

Basic Information

Item	Details
Product Name	2-Butenoic Acid 4-Nitrophenyl Ester
CAS No.	35665-90-8
Molecular Formula	C10H9NO4
Molecular Weight	207.18 g/mol
Synonyms	4-Nitrophenyl 2-Butenoate; (E)-4-Nitrophenyl but-2-enoate; 4-Nitrophenyl crotonate; Crotonic acid 4-nitrophenyl ester; 2-Butenoic acid p-nitrophenyl ester; p-Nitrophenyl crotonate; 4-Nitrophenyl trans-2-butenoate
EINECS	Contact for details

Quality Control

Our 2-Butenoic Acid 4-Nitrophenyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR for identification, and residual solvent analysis, to ensure it meets the stringent requirements of research and industrial applications. Certificates of Analysis (COA) documenting all specifications are available upon request to support your quality assurance and regulatory compliance needs.

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, sparks, and open flames. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

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%
Residual Solvents (GC)	Meets ICH guidelines

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