Description

(+)-Protolichesterinic Acid CAS NO 493-46-9 is a high-purity, enantiomerically pure lichen-derived metabolite belonging to the class of aliphatic acids. This compound is valued for its role as a key chiral intermediate and reference standard in advanced pharmaceutical research and development. It is primarily utilized by research institutions and manufacturers in the life sciences sector for applications in drug discovery, biochemical studies, and as a building block for more complex molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral building block in the synthesis of novel therapeutic agents.
• Biochemical Research: Used as a reference standard and probe in studies of enzyme inhibition and metabolic pathways.
• Natural Product Chemistry: Acts as a pure standard for the analysis and authentication of lichen extracts and related natural products.
• Academic & Discovery Research: Employed in university and industrial R&D labs for investigating structure-activity relationships (SAR).
• Analytical Standard: Provides a high-purity benchmark for quality control in HPLC, LC-MS, and other analytical methods.

Basic Information

Product Name	(+)-Protolichesterinic Acid
CAS No.	493-46-9
Molecular Formula	C19H34O4
Molecular Weight	326.47 g/mol
Synonyms	(+)-Protolichesterinic Acid; Protolichesterinic Acid; (R)-4-[(2,4-Dihydroxy-6-pentylbenzoyl)oxy]pentanoic Acid; (R)-Protolichesterinic Acid; NSC 106977; Usnic acid derivative; Lichen acid; Cetraric acid derivative
EINECS	207-788-9

Quality Control

Our (+)-Protolichesterinic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and other critical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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