Description

Obtusatic Acid CAS NO 500-37-8 is a naturally occurring depsidone derivative, a specialized class of lichen metabolites with significant biological and chemical research interest. This compound serves as a valuable reference standard and building block for pharmaceutical and biochemical research, particularly in the study of enzyme inhibition and natural product synthesis. It is primarily utilized by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in developing novel therapeutic agents and studying lichen biochemistry.

Application

• Pharmaceutical Reference Standard: Used for analytical method development, validation, and quality control in research and development.
• Biochemical Research: Serves as a key intermediate or inhibitor in studies targeting specific enzymatic pathways.
• Natural Product Synthesis: Acts as a sophisticated chiral building block for the synthesis of complex organic molecules.
• Academic Research: Employed in universities and institutes for studies in phytochemistry, lichenology, and bioactivity screening.
• Fine Chemical Intermediate: Used in the production of specialized derivatives for further biological evaluation.

Basic Information

Product Name	Obtusatic Acid
CAS No.	500-37-8
Molecular Formula	C19H18O8
Molecular Weight	374.34 g/mol
Synonyms	Obtusatic acid; 4-[(2,4-Dihydroxy-6-propylbenzoyl)oxy]-2-hydroxy-6-methylbenzoic acid; 2-Hydroxy-4-methoxy-6-propylbenzoic acid 2-carboxy-4-hydroxy-6-methylphenyl ester; Depsidone derivative; Usneoidone B; NSC 221755; Lichen metabolite
EINECS	Contact for details

Quality Control

Our Obtusatic Acid is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles, generated using validated analytical methods such as HPLC and NMR. We support cGMP and ISO compliant manufacturing for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as argon or nitrogen to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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