Angelic Anhydride 97% Purity Anhydride Standard CAS 94487-74-8 Research Grade Reference Standard (Liquid)

• • Product Overview

    Angelic Anhydride is a chemical derivative of angelic acid, formed by the dehydration of two molecules of angelic acid. It serves as an important reference standard for the analysis of acid anhydrides in organic synthesis and natural product research.

    With the molecular formula C₁₀H₁₄O₃ and a molecular weight of 182.22 g/mol, this compound appears as a colorless to pale yellow liquid. It is soluble in organic solvents such as methanol and chloroform. The product is supplied at ≥97% purity as determined by HPLC analysis.

    Synthetic Process

    Angelic Anhydride is synthesized by dehydration of angelic acid:

    1. Dehydration: Angelic acid is treated with a dehydrating agent such as acetic anhydride or phosphorus pentoxide.

    2. Purification: The product is purified by distillation or chromatography.

    3. Identity Confirmation: Structure is confirmed by NMR and mass spectrometry.

    Mechanism of Action & Applications

    This compound is primarily used as:

    • Reference Standard: For the identification and quantification of acid anhydrides.

    • Quality Control: Used in the quality assessment of organic synthesis intermediates.

    • Natural Product Chemistry: Serves as a reference for related compounds.

    Quality Specifications

    • Purity: ≥97.0% determined by HPLC.

    • Identity: Confirmed by NMR and mass spectrometry.

    • Each batch is accompanied by a comprehensive COA.

    • Stable for 24 months when stored at 2-8°C in sealed containers, protected from light.

    Packaging & Storage

    • Standard packaging: 20mg, 100mg, 500mg amber glass vials.

    • Store at 2-8°C, protected from light and moisture.

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