

share
3,4-Dihydro-2,2-Dimethoxy-4-Phenylindeno[1,2-B]Pyran-5(2H)-One CAS NO 74685-19-1
Unit Price:
CAS No.:74685-19-1
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3,4-Dihydro-2,2-Dimethoxy-4-Phenylindeno[1,2-B]Pyran-5(2H)-One is a high-purity, synthetically derived organic compound belonging to the indenopyran class, serving as a critical advanced intermediate in modern chemical synthesis. Its value lies in its unique fused-ring structure, which provides a versatile scaffold for constructing complex molecules in research and development. This product is essential for pharmaceutical chemists, agrochemical researchers, and material scientists engaged in the development of novel active ingredients and functional materials.
Application
- Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
- Agrochemical Research: Used in the development of novel pesticides and herbicides, leveraging its complex heterocyclic core.
- Material Science Precursor: Serves as a monomer or precursor for specialized polymers and organic electronic materials.
- Organic Synthesis & Catalysis: A valuable substrate for methodological studies in organic chemistry, including asymmetric synthesis and catalysis research.
- Academic & Industrial R&D: Employed in research laboratories for exploring new chemical reactions and synthesizing libraries of compounds for screening.
- Fine Chemical Production: Intermediate in the multi-step synthesis of dyes, pigments, and other high-value specialty chemicals.
Basic Information
| Product Name | 3,4-Dihydro-2,2-Dimethoxy-4-Phenylindeno[1,2-B]Pyran-5(2H)-One |
| CAS No. | 74685-19-1 |
| Molecular Formula | C20H18O4 |
| Molecular Weight | 322.36 g/mol |
| Synonyms | 4-Phenyl-2,2-dimethoxy-2,3,4,5-tetrahydroindenol[1,2-b]pyran-5-one; 2,2-Dimethoxy-4-phenyl-3,4-dihydro-2H-indeno[1,2-b]pyran-5-one; 4-Phenyl-2,2-dimethoxy-3,4-dihydro-2H-indeno[1,2-b]pyran-5-one; Indeno[1,2-b]pyran-5(2H)-one, 3,4-dihydro-2,2-dimethoxy-4-phenyl-; 74685-19-1; 2,2-Dimethoxy-4-phenyl-2,3,4,5-tetrahydroindenol[1,2-b]pyran-5-one |
| EINECS | Contact for details |
Quality Control
Our 3,4-Dihydro-2,2-Dimethoxy-4-Phenylindeno[1,2-B]Pyran-5(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure high consistency and reliability for your critical R&D and production processes. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong acids, bases, and oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to reference spectrum |
| Identification (HPLC) | Retention time matches 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.
Hot Related Products


2-Formyl-3,4-Dihydro-2H-Pyran CAS NO 100-73-2


2-Ethoxy-3,4-Dihydro-2H-Pyran CAS NO 103-75-3


Morpholinium Salicylate CAS NO 147-90-0


2,6-Dimethylpyran-4(4H)-Thione CAS NO 1004-37-1


3-(1H-Benzimidazol-2-Yl)-2H-1-Benzopyran-2-One CAS NO 1032-97-9


4H-Pyran-4-One, 3,5-Dihydroxy-2-Methyl- CAS NO 1073-96-7


4H-Pyran-4-Thione CAS NO 1120-93-0


3,4-Dihydro-2H-Pyran-2-Carbonitrile CAS NO 1192-91-2


4H-Pyran-4-One,3-Methoxy-(6Ci,7Ci,8Ci,9Ci) CAS NO 1193-64-2


Tetrahydro-2-Isocyanato-2H-Pyran CAS NO 1194-00-9


2,2-Dimethyltetrahydropyran-4-One CAS NO 1194-16-7


2,2,6,6-Tetramethyl-2H-3,5,6-Trihydropyran-4-One CAS NO 1197-66-6


4H-Pyran-2-Carboxylic Acid, 5-Methoxy-4-Oxo- CAS NO 1199-60-6


2,6-Diethyl-3,5-Dimethyl-4H-Pyran-4-One CAS NO 1202-10-4


4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione CAS NO 1204-38-2


2,2-Dimethyl-5-(Phenylmethylene)-1,3-Dioxane-4,6-Dione CAS NO 1214-54-6


3-(4-Amino-Phenyl)-Chromen-2-One CAS NO 1218-54-8


[2,5-Dioxo-4-(2-Phenylacetyl)Oxy-3-Furyl] 2-Phenylacetate CAS NO 132-81-0


4-Chromanol CAS NO 1481-93-2


1-[(S)-2,3-Dihydro-5-Hydroxy-2-Methylnaphtho[1,8-Bc]Pyran-4-Yl]Ethanone CAS NO 1485-31-0
why choose us
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






