Description

5,11-Dihydroxy-3,3-Dimethylpyrano[3,2-A]Xanthen-12(3H)-One is a specialized organic compound belonging to the pyranoxanthenone class, valued for its unique fused-ring structure. This compound matters as a key synthetic intermediate and building block in advanced organic synthesis, offering a rigid molecular scaffold for developing novel materials and active pharmaceutical ingredients. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing new chemical entities and functional dyes.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its complex heterocyclic structure.
• Fine Chemical Synthesis: Acts as a sophisticated building block for creating complex molecules used in materials science and specialty chemicals.
• Dye & Pigment Development: Utilized in research for synthesizing new xanthene-based dyes and fluorescent markers due to its core structure.
• Academic & Industrial R&D: Employed in chemical research to study reaction mechanisms and develop new synthetic methodologies.

Basic Information

Item	Detail
Product Name	5,11-Dihydroxy-3,3-Dimethylpyrano[3,2-A]Xanthen-12(3H)-One
CAS No.	34211-56-8
Molecular Formula	C₁₈H₁₄O₅
Molecular Weight	310.30 g/mol
Synonyms	3,3-Dimethyl-5,11-dihydroxypyrano[3,2-a]xanthen-12(3H)-one; 5,11-Dihydroxy-3,3-dimethyl-3H,12H-pyrano[3,2-a]xanthen-12-one; 3,3-Dimethyl-12-oxo-3,12-dihydro-5H-pyrano[3,2-a]xanthene-5,11-diol; Pyranoxanthenone derivative; Dihydroxydimethylpyranoxanthenone
EINECS	Contact for details

Quality Control

Our 5,11-Dihydroxy-3,3-Dimethylpyrano[3,2-A]Xanthen-12(3H)-One is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, related substances, and other critical parameters are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its light-sensitive nature and propensity to be easily oxidized, prolonged exposure to light, air, or elevated temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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