Description

3-Methylpentanoic Anhydride is a specialized organic acid anhydride used as a key acylating agent and chemical intermediate. Its value lies in its ability to efficiently introduce the 3-methylvaleryl moiety, a structural feature sought after in the synthesis of fine chemicals and active pharmaceutical ingredients. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries requiring high-purity building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: Acylating agent in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Synthesis: Key building block for manufacturing herbicides, fungicides, and plant growth regulators.
• Flavor & Fragrance Industry: Used in the production of esters and other compounds that contribute to specific flavor and aroma profiles.
• Polymer Chemistry: Monomer or modifier in the synthesis of specialty polyesters and polyamides.
• Organic Synthesis: Versatile reagent for peptide coupling, esterification, and the preparation of acid chlorides.
• Research & Development: Critical reagent in medicinal chemistry and material science research for structure-activity relationship (SAR) studies.

Basic Information

Product Name	3-Methylpentanoic Anhydride
CAS No.	17612-08-7
Molecular Formula	C12H22O3
Molecular Weight	214.30 g/mol
Synonyms	3-Methylvaleric Anhydride; 3-Methylpentanoic Acid Anhydride; Dihydro-4-methyl-2H-pyran-2,6(3H)-dione (derived); 3-Methylvaleryl Anhydride; Anhydrid kyseliny 3-methylvalerovej; 3-Methylpentansäureanhydrid; 3-メチルペンタン酸無水物
EINECS	Contact for details

Quality Control

Our 3-Methylpentanoic Anhydride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) are provided with every shipment, detailing purity and key physical-chemical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and reacts with strong acids and organic solvents; ensure containers are kept tightly sealed and stored separately from incompatible materials.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
Density (g/mL, 20°C)	0.94 - 0.98

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