Description

1-Methyl-2,2-Diphenylcyclopropanecarbaldehyde is a specialized cyclopropane derivative featuring a unique aldehyde functional group attached to a sterically hindered, diphenyl-substituted three-membered ring. This compound matters as a high-value chemical intermediate and building block for synthesizing complex molecules in advanced research and development. It is primarily needed by pharmaceutical, agrochemical, and advanced material scientists for applications in asymmetric synthesis, ligand development, and the creation of novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, three-dimensional scaffolds.
• Agrochemical Research: Used in the development of novel pesticides and herbicides, where the cyclopropane ring can impart specific biological activity and stability.
• Advanced Material Synthesis: Acts as a monomer or functionalizing agent in the production of specialty polymers and liquid crystals.
• Catalyst & Ligand Development: Employed in the design and synthesis of novel organometallic catalysts and chiral ligands for asymmetric catalysis.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and ring-opening transformations.
• Flavor & Fragrance Industry: Potential use as an intermediate for synthesizing complex aroma chemicals with unique olfactory properties.

Basic Information

Item	Details
Product Name	1-Methyl-2,2-Diphenylcyclopropanecarbaldehyde
CAS No.	56701-21-4
Molecular Formula	C17H16O
Molecular Weight	236.31 g/mol
Synonyms	1-Methyl-2,2-diphenylcyclopropanecarboxaldehyde; 2,2-Diphenyl-1-methylcyclopropanecarbaldehyde; (1-Methyl-2,2-diphenylcyclopropyl)methanal; α-Methyl-α,α-diphenylcyclopropanecarboxaldehyde; NSC 163082; Diphenylmethylcyclopropanecarbaldehyde; Cyclopropanecarboxaldehyde, 1-methyl-2,2-diphenyl-
EINECS	Contact for details

Quality Control

Our 1-Methyl-2,2-Diphenylcyclopropanecarbaldehyde is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a fine chemical intermediate. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment supports compliance with cGMP and ISO standards for research and development applications.

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 material is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to maintain stability and purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.