Description

Cronaxil CAS NO 3737-16-4 is a specialized organic compound of significant interest in advanced chemical synthesis. Its unique molecular structure makes it a valuable intermediate for creating high-performance materials and active pharmaceutical ingredients (APIs). This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking reliable, high-purity building blocks for complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for developing specialty polymers, liquid crystals, and organic electronic materials.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for high-value, low-volume specialty chemicals.
• Academic & Industrial R&D: A crucial reagent for methodological development and exploratory chemistry in both academic and corporate settings.
• Dye & Pigment Industry: Acts as an intermediate in the synthesis of complex organic dyes and functional colorants.

Basic Information

Product Name	Cronaxil
CAS No.	3737-16-4
Molecular Formula	C9H9NO3
Molecular Weight	179.17 g/mol
Synonyms	2-Methyl-5-nitrobenzoxazole; 5-Nitro-2-methylbenzoxazole; Cronaxil; 2-Methyl-5-nitro-1,3-benzoxazole; Benzoxazole, 2-methyl-5-nitro-; NSC 403697; 3737-16-4
EINECS	223-107-5

Quality Control

Our Cronaxil is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, residual solvent analysis, and identity confirmation (IR, NMR). A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed specifications. We support cGMP standards for pharmaceutical applications and can tailor quality protocols to meet specific customer requirements.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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