Description

Stictic Acid is a naturally occurring secondary metabolite belonging to the class of lichen-derived depsidones. This compound is of significant interest for its role as a chemical marker and its potential biological activities. It serves as a key reference standard and research material for scientists in natural product chemistry and pharmacology. Industries involved in phytochemical research, analytical testing, and the development of bioactive compounds are the primary users of this material.

Application

• Phytochemical Reference Standard: Used as a high-purity analytical standard for the identification and quantification of stictic acid in complex plant and lichen extracts via HPLC, TLC, or LC-MS.
• Natural Product Research: Serves as a crucial starting material or benchmark compound in studies investigating the biosynthesis, isolation, and structural elucidation of lichen substances.
• Biological Activity Screening: Employed in in vitro assays to evaluate potential pharmacological properties such as antioxidant, antimicrobial, anti-inflammatory, or enzyme inhibitory effects.
• Taxonomic and Chemotaxonomic Studies: Acts as a diagnostic marker for the identification and classification of lichen species, particularly within the genera Lobaria and Sticta.
• Chemical Synthesis & Derivatization: Provides a complex molecular scaffold for semi-synthetic modifications to create novel analogs with enhanced or altered bioactivity.

Basic Information

Product Name	Stictic Acid
CAS No.	549-06-4
Molecular Formula	C19H14O9
Molecular Weight	386.31 g/mol
Synonyms	Stictic acid; 4,9-Dihydroxy-6-methyl-3,10-dioxo-7H-benzo[c]chromene-7-carboxylic acid; 6-Methyl-4,9-dihydroxy-3,10-dioxo-7H-naphtho[2,3-c]pyran-7-carboxylic acid; NSC 2215; Usnetic acid; Depsidone derivative
EINECS	208-962-8

Quality Control

Our Stictic Acid is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including identification by spectroscopic methods (IR, NMR) and purity determination by HPLC. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your research and compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Yellow to pale brown crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.5 %

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