Description

4-Methoxyphenylurea is a versatile organic compound serving as a key building block in advanced chemical synthesis. Its value lies in its role as a protected urea derivative, enabling the controlled introduction of the anisidine moiety into more complex molecular architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing new active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a methoxyphenyl structural motif.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators where its urea functionality is integral to biological activity.
• Chemical Research & Development: Serves as a standard reagent and building block in organic chemistry laboratories for constructing heterocycles and complex organic molecules.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of certain specialty dyes and colorants.
• Polymer Science: Can be utilized as a monomer or chain modifier in the synthesis of specialty polymers with specific thermal or mechanical properties.

Basic Information

Product Name	4-Methoxyphenylurea
CAS No.	1566-42-3
Molecular Formula	C8H10N2O2
Molecular Weight	166.18 g/mol
Synonyms	p-Methoxyphenylurea; 1-(4-Methoxyphenyl)urea; 4-Methoxybenzenecarbamide; Urea, N-(4-methoxyphenyl)-; Anisylurea; 4-Anisylurea; 4-Methoxy-phenyl-urea; 4-Methoxybenzenecarboxamide
EINECS	Contact for details

Quality Control

Our 4-Methoxyphenylurea is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive quality documentation, including detailed Certificates of Analysis (COA) for each lot, which report key parameters such as assay, identity, and impurity profiles. Our standard grade meets typical research and industrial specifications, with custom purity levels available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °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.