Description

Carbonic Acid, Methyl 1-Methylene-2-Oxopropyl Ester (9Ci) is a specialized organic ester compound with the CAS registry number 146897-17-8. This chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its unique reactive functional groups. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and performance chemicals.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Organic Synthesis Research: A valuable reagent for academic and industrial R&D exploring new carbon-carbon bond formation strategies.
• Chemical Derivatization: Used to modify and functionalize other organic molecules for analytical or material science applications.

Basic Information

Product Name	Carbonic Acid, Methyl 1-Methylene-2-Oxopropyl Ester (9Ci)
CAS No.	146897-17-8
Molecular Formula	C6H8O4
Molecular Weight	144.13 g/mol
Synonyms	Methyl (1-methylene-2-oxopropyl) carbonate; 2-Oxobut-3-enyl methyl carbonate; Methyl 2-oxobut-3-enyl carbonate; 3-Buten-2-one, 1-(methoxycarbonyloxy)-; 1-(Methoxycarbonyloxy)-3-buten-2-one; Carbonic acid, 1-methylene-2-oxopropyl methyl ester; (1-Methylene-2-oxopropyl) methyl carbonate
EINECS	Contact for details

Quality Control

Our production of Carbonic Acid, Methyl 1-Methylene-2-Oxopropyl Ester (9Ci) adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption or contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.