Description

(2S,3S,4S,5S)-3,4,5,6-Tetrahydroxyoxane-2-Carboxylic Acid CAS NO 6906-37-2 is a high-purity, stereochemically defined carbohydrate derivative, also widely known as L-Gulonic acid γ-lactone. This compound serves as a crucial chiral building block and intermediate in the synthesis of pharmaceuticals, fine chemicals, and advanced materials. It is essential for research and production in sectors requiring high stereochemical purity, such as pharmaceutical development, nutraceuticals, and specialty chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of ascorbic acid (Vitamin C) analogs, antiviral drugs, and other active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a substrate or standard in enzymatic studies, metabolic pathway analysis, and glycoscience research.
• Nutraceutical & Cosmetic Ingredients: Serves as a starting material for the production of skin-conditioning agents and antioxidant compounds.
• Fine Chemical Synthesis: Employed as a versatile chiral synthon for constructing complex molecular architectures in asymmetric synthesis.
• Food Science: Potential applications in the development of food additives and flavor precursors.

Basic Information

Product Name	(2S,3S,4S,5S)-3,4,5,6-Tetrahydroxyoxane-2-Carboxylic Acid
CAS No.	6906-37-2
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	L-Gulonic acid γ-lactone; L-Gulonolactone; L-(+)-Gulonolactone; L-Gulono-1,4-lactone; (2S,3S,4S,5S)-Tetrahydroxyoxane-2-carboxylic acid; Gulono-γ-lactone; 6906-37-2; L-Gulono-γ-lactone
EINECS	230-024-8

Quality Control

Our (2S,3S,4S,5S)-3,4,5,6-Tetrahydroxyoxane-2-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and stereochemical integrity, meeting the stringent requirements for pharmaceutical and research applications. A comprehensive Certificate of Analysis (COA) detailing assay, chiral purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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