Description

(+)-Proto-Quercitol CAS NO 488-73-3 is a high-purity, naturally occurring cyclitol derivative, valued for its role as a key chiral building block and reference standard in advanced organic synthesis. This compound is essential for researchers and manufacturers requiring a reliable, high-quality intermediate for the development of pharmaceuticals, bioactive molecules, and complex natural product analogs. It is particularly relevant for the pharmaceutical, agrochemical, and fine chemical industries where stereochemical control is critical.

Application

• Pharmaceutical Intermediate: Serves as a versatile chiral synthon for the synthesis of novel drug candidates, particularly in antiviral, anticancer, and metabolic disease research.
• Biochemical Research: Used as a reference standard and substrate in enzymatic studies and metabolic pathway investigations.
• Natural Product Synthesis: A crucial starting material for the total or semi-synthesis of complex natural products and their derivatives.
• Agrochemical Development: Employed in the research and development of new, stereochemically-defined active ingredients for crop protection.
• Fine Chemical Production: Acts as a building block for specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & R&D: A valuable tool for methodological development in asymmetric synthesis and carbohydrate chemistry within academic and industrial laboratories.

Basic Information

Product Name	(+)-Proto-Quercitol
CAS No.	488-73-3
Molecular Formula	C7H14O6
Molecular Weight	194.18 g/mol
Synonyms	(+)-Proto-Quercitol; 1,2,3,4,5-Cyclohexanepentol, (1α,2β,3α,4β,5β)-; Protoquercitol; Vibo-Quercitol; Viburnitol; Quercite; Quercinitol; (1R,2S,3R,4S,5S)-1,2,3,4,5-Cyclohexanepentol
EINECS	207-679-2

Quality Control

Our (+)-Proto-Quercitol is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC for assay and chiral purity, and meets rigorous internal specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting identity, purity, and impurity profiles to support your quality and regulatory 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) and must be kept under dry, inert conditions to maintain stability and purity. For long-term storage, consider desiccants or an inert atmosphere.

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	≤ 10 ppm

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