Description

3,4-Dihydro-5-Hydroxy-2,2,8-Trimethyl-2H,10H-Benzo[1,2-B:3,4-B']Dipyran-10-One CAS NO 13475-12-2 is a high-purity, complex heterocyclic compound belonging to the benzodipyranone class. This specialty chemical serves as a critical advanced intermediate and key building block in sophisticated organic synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and advanced material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for therapeutic areas requiring complex fused-ring systems.
• Agrochemical Research: Used in developing new-generation pesticides and herbicides, leveraging its unique benzodipyranone scaffold for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a potential building block for electron-transport or emissive layer materials in electronic displays and lighting.
• Dye & Pigment Synthesis: Acts as an intermediate for creating specialized chromophores and colorants with specific light-absorption properties.
• Flavor & Fragrance Chemistry: Utilized in the synthesis of complex aroma chemicals due to its oxygenated, fused-ring structure.
• Academic & Industrial R&D: Employed as a standard or novel substrate in methodological studies and catalysis research.

Basic Information

Product Name	3,4-Dihydro-5-Hydroxy-2,2,8-Trimethyl-2H,10H-Benzo[1,2-B:3,4-B']Dipyran-10-One
CAS No.	13475-12-2
Molecular Formula	C₁₅H₁₆O₄
Molecular Weight	260.29 g/mol
Synonyms	5-Hydroxy-2,2,8-trimethyl-2H,10H-benzo[1,2-b:3,4-b']dipyran-10-one; 2H,10H-Benzo[1,2-b:3,4-b']dipyran-10-one, 3,4-dihydro-5-hydroxy-2,2,8-trimethyl-; 5-Hydroxy-2,2,8-trimethyl-2H,10H-[1,2-b:3,4-b']dichromen-10-one; Benzodipyran-10-one derivative; NSC 407347; LS-176106
EINECS	Contact for details

Quality Control

Our production of 3,4-Dihydro-5-Hydroxy-2,2,8-Trimethyl-2H,10H-Benzo[1,2-B:3,4-B']Dipyran-10-One adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all specified parameters. We support compliance with cGMP, ISO, and other relevant quality frameworks for research and commercial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The container must be kept tightly sealed to protect the contents from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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