Description

Neobornyval CAS NO 509-08-0 is a high-purity synthetic chemical intermediate, also known as 2,2-Dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylic acid ethyl ester. This compound is valued for its unique bicyclic structure, which serves as a versatile building block in advanced organic synthesis. It is primarily sought by R&D chemists and production specialists in the pharmaceutical, agrochemical, and fragrance industries for the development of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for developing novel pesticides, herbicides, and plant growth regulators.
• Fragrance & Flavor Industry: Used in the creation of synthetic aromatic compounds with woody, amber, or camphoraceous notes.
• Organic Chemistry Research: Essential reagent for methodological studies, including cyclopropanation reactions and chiral synthesis.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals, catalysts, and performance materials.

Basic Information

Product Name	Neobornyval
CAS No.	509-08-0
Molecular Formula	C12H20O2
Molecular Weight	196.29 g/mol
Synonyms	Ethyl Chrysanthemumate; Ethyl 2,2-Dimethyl-3-(2-methylpropenyl)cyclopropanecarboxylate; Neobornyval; Ethyl 2,2-Dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate; Chrysanthemic Acid Ethyl Ester; Ethyl (1R,3R)-2,2-Dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carboxylate; Ethyl dl-trans-Chrysanthemate
EINECS	208-094-9

Quality Control

Our Neobornyval is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via GC/HPLC, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability, consistency, and compliance with your specifications.

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 strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Specific Rotation (20°C)	Contact for details
Refractive Index (n20/D)	Contact for details
Density (g/mL, 20°C)	Contact for details
Related Substances (GC)	Total impurities ≤ 2.0%

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