Description

Cyclopropanecarboxylic Acid, 3-[(Dihydro-2-Oxo-3(2H)-Furanylidene)Methyl]-2,2-Dimethyl- (9Ci) is a high-purity, advanced pharmaceutical intermediate characterized by its unique fused-ring structure. This compound is valued for its role as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), particularly in research and development for novel therapeutic agents. It is primarily sought by pharmaceutical manufacturers and research institutions engaged in the development of new drug candidates, where precise chemical structure and reliable purity are paramount.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and production of novel active pharmaceutical ingredients (APIs).
• Organic Synthesis Building Block: Used in complex multi-step organic syntheses, particularly for constructing fused heterocyclic systems.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies in drug discovery programs.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring high structural fidelity.
• Contract Research & Development (CRO/CMO): Supplied to organizations specializing in custom synthesis and process development.

Basic Information

Product Name	Cyclopropanecarboxylic Acid, 3-[(Dihydro-2-Oxo-3(2H)-Furanylidene)Methyl]-2,2-Dimethyl- (9Ci)
CAS No.	790612-67-8
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	3-[(Dihydro-2-oxo-3(2H)-furanylidene)methyl]-2,2-dimethylcyclopropanecarboxylic acid; 2,2-Dimethyl-3-[(2-oxo-2,3-dihydrofuran-3-ylidene)methyl]cyclopropanecarboxylic acid; 3-(2,2-Dimethyl-3-carboxycyclopropylidene)dihydrofuran-2(3H)-one; Cyclopropanecarboxylic acid, 3-[(2,5-dihydro-2-oxo-3-furanylidene)methyl]-2,2-dimethyl-; (9CI)
EINECS	Contact for details

Quality Control

Our Cyclopropanecarboxylic Acid, 3-[(Dihydro-2-Oxo-3(2H)-Furanylidene)Methyl]-2,2-Dimethyl- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications and test results are provided with each shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which may affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.