Description

1H-1,2,3-Triazole-4-Carbonyl Chloride, 1-Methyl- (9Ci) is a high-purity, reactive acyl chloride derivative of a methylated triazole, serving as a critical building block for the synthesis of complex heterocyclic compounds. Its value lies in enabling precise molecular modifications, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. This intermediate is essential for research and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce the 1-methyl-1,2,3-triazole-4-carbonyl moiety into target molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in antiviral, anticancer, and anti-inflammatory research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in coordination chemistry and catalysis.
• Material Science: Employed in the synthesis of functional polymers and advanced materials with specific electronic or photonic properties.
• Bioconjugation: Useful for modifying biomolecules, peptides, or proteins in biochemical research and diagnostic applications.
• Custom Synthesis & Contract Manufacturing: A vital reagent for fine chemical manufacturers offering bespoke synthesis services.

Basic Information

Item	Detail
Product Name	1H-1,2,3-Triazole-4-Carbonyl Chloride, 1-Methyl- (9Ci)
CAS No.	54470-12-1
Molecular Formula	C4H4ClN3O
Molecular Weight	145.55 g/mol
Synonyms	1-Methyl-1H-1,2,3-triazole-4-carbonyl chloride; 1-Methyl-1,2,3-triazole-4-carboxylic acid chloride; 4-Carbonyl chloride-1-methyl-1,2,3-triazole; 1-Methyl-1,2,3-triazole-4-carbonyl chloride; 1-Methyl-1H-[1,2,3]triazole-4-carbonyl chloride; 1-Methyl-1,2,3-triazole-4-carboxyl chloride
EINECS	Contact for details

Quality Control

Our 1H-1,2,3-Triazole-4-Carbonyl Chloride, 1-Methyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity. Certificates of Analysis (COA) documenting all critical quality parameters are provided to guarantee batch-to-batch consistency and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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