Description

Angelic Anhydride CAS NO 94487-74-8 is a specialized organic acid anhydride derived from angelic acid, serving as a key reactive intermediate in advanced organic synthesis. This compound matters for its ability to efficiently introduce the angeloyl functional group, enabling the modification of molecular properties in target compounds. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for applications ranging from drug discovery to the synthesis of performance materials.

Application

• Pharmaceutical Intermediate: Acylation agent in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, flavors, and fragrances.
• Polymer Modification: Reactant for modifying polymers to impart specific chemical or physical properties.
• Academic & Industrial Research: Valuable reagent in organic chemistry research for method development and compound library synthesis.
• Bioconjugation: Potential use in modifying biomolecules for diagnostic or therapeutic applications.

Basic Information

Product Name	Angelic Anhydride
CAS No.	94487-74-8
Molecular Formula	C10H14O3
Molecular Weight	182.22 g/mol
Synonyms	2-Methylbut-2-enoic anhydride; Angelic acid anhydride; (2E)-2-Methyl-2-butenoic anhydride; Tiglic acid anhydride (isomer); 2-Butenoic acid, 2-methyl-, anhydride; 2-Methylcrotonic anhydride
EINECS	Contact for details

Quality Control

Our Angelic Anhydride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed to exclude moisture and stored away from direct light sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 0.5%

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