Description

Semidehydroascorbic Acid is a key intermediate in the redox chemistry of Vitamin C (ascorbic acid). This compound is crucial for research and development in antioxidant systems and cellular redox signaling pathways. It is primarily utilized by researchers and manufacturers in the pharmaceutical, nutraceutical, and advanced biochemical synthesis sectors seeking to study or influence oxidative processes.

Application

• Biochemical Research: Critical intermediate for studying the antioxidant mechanism and redox cycling of ascorbic acid in biological systems.
• Pharmaceutical Development: Used in the synthesis and research of prodrugs or compounds designed to modulate oxidative stress.
• Nutraceutical & Cosmetic Science: Investigated for its role in advanced antioxidant formulations and stability studies of Vitamin C derivatives.
• Enzymology Studies: Serves as a substrate or product in enzymatic reactions involving ascorbate oxidases and peroxidases.
• Analytical Reference Standard: Employed as a high-purity standard in HPLC and other chromatographic methods for quantifying ascorbic acid and its metabolites.
• Food Science Research: Used to model and understand the degradation pathways and preservation of Vitamin C in food products.

Basic Information

Product Name	Semidehydroascorbic Acid
CAS No.	6730-29-6
Molecular Formula	C6H6O6
Molecular Weight	174.11 g/mol
Synonyms	Monodehydroascorbic Acid; MDHA; Ascorbate Free Radical; AFR; Ascorbic Acid Radical; 2,3-Didehydro-L-threo-hexono-1,4-lactone; L-Ascorbic Acid Radical; Oxidized Ascorbic Acid Intermediate
EINECS	229-815-7

Quality Control

Our Semidehydroascorbic Acid is produced and handled under strict quality protocols to ensure high purity and batch-to-batch consistency, suitable for research and development applications. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and relevant physicochemical parameters. We adhere to cGMP principles where applicable to support our commitment to reliable supply and product integrity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept sealed in a desiccated environment and opened under inert atmosphere conditions for optimal long-term stability.

Specification

Item	Specification
Appearance	White to Off-White Powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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