Description

3-(3-Methyl-Isothiazol-5-Yl)-Benzaldehyde is a high-purity aromatic aldehyde derivative featuring a methyl-isothiazole moiety, serving as a critical advanced intermediate in organic synthesis. This compound is valued for its unique heterocyclic structure, which enables the construction of complex molecules with potential biological activity. It is primarily sought by research institutions and pharmaceutical companies engaged in the development of novel agrochemicals, pharmaceuticals, and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Research: Used in the development of new fungicides and herbicides, leveraging the bioactivity of the isothiazole ring.
• Material Science: Serves as a precursor for functional polymers and liquid crystals due to its rigid, planar structure.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic systems via condensation, cyclization, and cross-coupling reactions.
• Bioconjugation Chemistry: The aldehyde group allows for site-specific labeling and modification of proteins and other biomolecules.

Basic Information

Product Name	3-(3-Methyl-Isothiazol-5-Yl)-Benzaldehyde
CAS No.	1401522-01-7
Molecular Formula	C11H9NOS
Molecular Weight	203.26 g/mol
Synonyms	5-Formyl-3'-methyl-1,1'-biphenyl-3-carbonitrile (incorrect but common misnomer); 3-(3-Methyl-1,2-thiazol-5-yl)benzaldehyde; 5-(3-Formylphenyl)-3-methylisothiazole; 3-Methyl-5-(3-formylphenyl)isothiazole; Benzaldehyde, 3-(3-methyl-5-isothiazolyl)-; 1401522-01-7
EINECS	Contact for details

Quality Control

Every batch of 3-(3-Methyl-Isothiazol-5-Yl)-Benzaldehyde is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for research and development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.