Description

3-Methyl-2-Buten-1-Yl Acetoacetate is a versatile organic ester compound, also known as Prenyl Acetoacetate, that serves as a key intermediate in fine chemical synthesis. Its reactive β-ketoester functionality makes it a valuable building block for constructing complex molecular architectures. This product is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and fragrance industries for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with terpenoid or prenylated structures.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators, leveraging its reactivity for creating novel bioactive compounds.
• Fragrance and Flavor Ingredient: Serves as a starting material for synthesizing specific ester-based aroma chemicals and flavoring agents.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for Michael additions, Claisen condensations, and other C-C bond-forming reactions.
• Chemical Research: Used as a standard or reagent in methodological development and catalytic studies within organic chemistry laboratories.

Basic Information

Product Name	3-Methyl-2-Buten-1-Yl Acetoacetate
CAS No.	21597-32-0
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Prenyl Acetoacetate; 3,3-Dimethylallyl Acetoacetate; 1-Acetyl-2-oxo-4-penten-3-yl acetate; 3-Methylbut-2-en-1-yl 3-oxobutanoate; Acetoacetic Acid 3-Methyl-2-butenyl Ester; 3-Oxobutanoic Acid 3-Methyl-2-buten-1-yl Ester
EINECS	244-476-5

Quality Control

Our 3-Methyl-2-Buten-1-Yl Acetoacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	1.010 - 1.030 g/mL

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