Description

4-Nitrosobenzoic Acid Methyl Ester is a specialized organic nitroso compound with the CAS registry number 13170-28-0. This chemical serves as a valuable intermediate and precursor in advanced organic synthesis, particularly for constructing complex molecular architectures. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel compounds and materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Precursor: Serves as an intermediate in the production of specialized azo dyes and functional pigments.
• Polymer Chemistry: Employed in the synthesis of monomers and functional polymers with specific optical or electronic properties.
• Chemical Research: A versatile reagent in academic and industrial laboratories for oxidation reactions and nitroso chemistry studies.
• Material Science: Used in the development of advanced organic materials, including liquid crystals and photoresponsive compounds.

Basic Information

Product Name	4-Nitrosobenzoic Acid Methyl Ester
CAS No.	13170-28-0
Molecular Formula	C8H7NO3
Molecular Weight	165.15 g/mol
Synonyms	Methyl 4-Nitrosobenzoate; Methyl p-Nitrosobenzoate; Benzoic acid, 4-nitroso-, methyl ester; 4-Nitroso-benzoic acid methyl ester; p-Nitrosobenzoic Acid Methyl Ester; Methyl 4-Nitrosobenzenecarboxylate; NSC 404083
EINECS	Contact for details

Quality Control

Our 4-Nitrosobenzoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%
Heavy Metals	≤ 20 ppm

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