Description

Vulpinic Acid CAS NO 521-52-8 is a naturally occurring lichen-derived secondary metabolite, recognized for its distinct yellow pigmentation and unique chemical structure. This specialized compound is valued in research and development for its potential biological activities and as a chemical reference standard. It serves as a critical material for scientists and manufacturers in the pharmaceutical, cosmetic, and fine chemical sectors. Its precise synthesis and high purity are essential for ensuring reliable and reproducible results in advanced applications.

Application

• Pharmaceutical Research & Development: Used as a reference standard and as a lead compound in the investigation of novel therapeutic agents, particularly for studying antimicrobial and anti-inflammatory properties.
• Cosmetic & Personal Care Ingredients: Explored as a natural pigment or bioactive ingredient in formulations targeting skin health, leveraging its origin from lichens.
• Biochemical Research: Serves as a tool in enzymology and metabolic pathway studies to understand lichen symbiosis and secondary metabolite biosynthesis.
• Analytical Chemistry: Employed as a high-purity certified reference material (CRM) for method development, calibration, and quality control in HPLC and LC-MS analyses.
• Fine Chemical Synthesis: Acts as a key intermediate or building block for the synthesis of more complex molecules in organic and medicinal chemistry.
• Academic & Industrial Research: Fundamental studies in natural product chemistry, ecology, and material science for its unique physicochemical properties.

Basic Information

Product Name	Vulpinic Acid
CAS No.	521-52-8
Molecular Formula	C19H14O5
Molecular Weight	322.31 g/mol
Synonyms	Pulvinic Acid; Vulpinic Acid; 2-[(3,5-Dioxo-4-phenyl-2,5-dihydrofuran-2-ylidene)(phenyl)methyl]-4-hydroxy-6-methyl-4-oxo-2H-pyran-3-carboxylic Acid; 2,4-Dihydroxy-6-methylbenzoic Acid 2-Phenyl-4-benzylidene-5(4H)-oxazolone Ester; Pulvic Acid; Lobaric Acid Derivative; Lichen Yellow
EINECS	208-313-5

Quality Control

Our Vulpinic 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 HPLC for assay and purity and spectroscopic identification (IR, NMR). A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange-yellow 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 (as Pb)	≤ 20 ppm

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