Description

L(+)-Gulonic Acid γ-Lactone is a high-purity chiral intermediate and a key lactone derivative of L-gulonic acid. This compound is valued for its role as a versatile building block in the synthesis of ascorbic acid (Vitamin C) and other fine chemicals. It is essential for manufacturers and research institutions in the pharmaceutical, nutraceutical, and specialty chemical industries seeking reliable, high-quality raw materials for complex synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of L-ascorbic acid (Vitamin C) and its derivatives.
• Nutraceutical Production: Used in the manufacturing of vitamin supplements and functional food ingredients.
• Biochemical Research: Serves as a substrate or standard in enzymatic studies and metabolic pathway research.
• Fine Chemical Synthesis: A chiral starting material for producing complex organic molecules and specialty chemicals.
• Cosmetic Ingredients: Potential use in the synthesis of skin-care actives and antioxidant compounds.

Basic Information

Item	Detail
Product Name	L(+)-Gulonic Acid γ-Lactone
CAS No.	1128-23-0
Molecular Formula	C6H10O6
Molecular Weight	178.14 g/mol
Synonyms	L-Gulono-1,4-lactone; L-Gulonolactone; L-(+)-Gulonolactone; L-Gulonic acid γ-lactone; (3R,4S,5S)-3,4,5-Trihydroxy-6-oxotetrahydro-2H-pyran-2-carboxylic acid; Vitamin C Intermediate; L-Gulono-γ-lactone
EINECS	214-432-6

Quality Control

Our L(+)-Gulonic Acid γ-Lactone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay, optical rotation, and impurity profile is provided with every shipment to guarantee compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation	+20.0° to +23.0° (c=1 in H2O)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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