Description

8,8-Dimethyl-9,10-Dihydropyrano[2,3-H]Chromen-2-One is a specialized organic compound belonging to the coumarin derivative family. This high-purity intermediate is critical for advanced organic synthesis and pharmaceutical research, offering a unique fused pyranocoumarin scaffold. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block for the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its complex heterocyclic structure for bioactivity.
• Organic Synthesis: Acts as a versatile precursor for constructing more complex polycyclic frameworks in academic and industrial research laboratories.
• Material Science: Investigated for potential applications in creating organic electronic materials or advanced polymers due to its conjugated system.
• Fluorescent Probe Development: The coumarin core makes it a candidate for developing fluorescent markers and sensors in biochemical assays.

Basic Information

Item	Detail
Product Name	8,8-Dimethyl-9,10-Dihydropyrano[2,3-H]Chromen-2-One
CAS No.	2221-66-1
Molecular Formula	C₁₄H₁₄O₃
Molecular Weight	230.26 g/mol
Synonyms	8,8-Dimethyl-9,10-dihydro-2H,8H-pyrano[2,3-h]chromen-2-one; 8,8-Dimethyl-9,10-dihydro-2H,8H-pyrano[2,3-h]benzopyran-2-one; 9,10-Dihydro-8,8-dimethyl-2H,8H-pyrano[2,3-h]chromen-2-one; Dihydrokhellin; Visnadinone; Visnadine; L-1661; NSC 407347
EINECS	Contact for details

Quality Control

Our 8,8-Dimethyl-9,10-Dihydropyrano[2,3-H]Chromen-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting all critical parameters are 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 area at controlled room temperature (15-25°C). Keep away from heat and incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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