Description

L-(-)-Sorbose is a naturally occurring monosaccharide ketose sugar, a key intermediate in the commercial synthesis of ascorbic acid (Vitamin C). Its unique stereochemistry makes it an indispensable chiral building block and precursor in fine chemical and pharmaceutical manufacturing. This high-purity sugar is primarily utilized by producers of nutritional supplements, pharmaceutical actives, and specialty biochemicals who require a reliable, high-quality raw material for complex synthesis pathways.

Application

• Vitamin C (L-Ascorbic Acid) Synthesis: Serves as the critical intermediate in the classic Reichstein-Grüssner process for the industrial-scale production of ascorbic acid.
• Pharmaceutical Intermediates: Used as a chiral starting material or precursor in the synthesis of various active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Biochemical Research: Employed in microbiological studies, enzymatic research, and as a component in specialized culture media for fermentation processes.
• Food & Nutritional Science: Functions as a substrate or intermediate in the development of novel sweeteners, prebiotics, and other functional food ingredients.
• Cosmetic & Personal Care: Acts as a mild reducing agent and skin-conditioning agent in advanced cosmetic formulations.

Basic Information

Product Name	L-(-)-Sorbose
CAS No.	87-79-6
Molecular Formula	C6H12O6
Molecular Weight	180.16 g/mol
Synonyms	L-Sorbose; (-)-Sorbose; Sorbinose; L-(-)-Sorbopyranose; L-Xylo-2-Hexulose; (3S,4R,5S)-1,3,4,5,6-Pentahydroxyhexan-2-one; Sorbo
EINECS	201-771-8

Quality Control

Our L-(-)-Sorbose is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets stringent specifications for identity, purity, and composition. Certificates of Analysis (COA) detailing specific results for assay, optical rotation, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your quality 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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent absorption of moisture and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation	-42.0° to -44.0° (c=10 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.