Description

L-Rhamnoascorbic Acid is a specialized stereoisomer of ascorbic acid, offering unique biochemical properties distinct from the more common L-ascorbic acid. This compound is valued for its role as a precursor and intermediate in the synthesis of high-value fine chemicals and active pharmaceutical ingredients (APIs). It is primarily sought by manufacturers in the pharmaceutical, nutraceutical, and advanced research sectors for applications requiring specific chiral configurations.

Application

• Pharmaceutical intermediate for the synthesis of chiral drugs and complex APIs.
• Biochemical research reagent for studying vitamin C metabolism and isomer-specific activity.
• Precursor in the production of specialty fine chemicals and advanced cosmetic actives.
• Reference standard for analytical methods in quality control laboratories.
• Starting material for the development of novel antioxidant formulations.

Basic Information

Product Name	L-Rhamnoascorbic Acid
CAS No.	27180-08-1
Molecular Formula	C6H8O6
Molecular Weight	176.12 g/mol
Synonyms	L-Rhamnoascorbic Acid; (5R)-5-[(1R)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one; L-Rhamno-Ascorbic Acid; D-Araboascorbic Acid; D-Arabo-Ascorbic Acid; Isoascorbic Acid (stereoisomer); Erythorbic Acid (related isomer); 6-Deoxy-L-ascorbic Acid
EINECS	Contact for details

Quality Control

Our L-Rhamnoascorbic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, optical rotation, and impurity profiles are available upon request to support your quality assurance protocols.

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 product is easily oxidized; for long-term storage, consider an inert atmosphere. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Specific range provided on COA
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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