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"2H,8H-Benzo[1,2-b:5,4-b']dipyran-2,8-dione" is a complex organic compound with the molecular formula C14H8O4. It is a derivative of benzo-dipyran, featuring two pyran rings fused to a central benzene ring. The compound is characterized by the presence of two carbonyl groups (C=O) at the 2 and 8 positions, which contribute to its reactivity and potential applications in organic synthesis. This chemical is known for its unique structure and can be used in the synthesis of various pharmaceuticals and other organic compounds due to its ability to form stable intermediates. It is also of interest in chemical research for its potential properties and reactivity patterns, which can provide insights into the behavior of similar complex molecules.

4413-05-2

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4413-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4413-05-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,1 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4413-05:
(6*4)+(5*4)+(4*1)+(3*3)+(2*0)+(1*5)=62
62 % 10 = 2
So 4413-05-2 is a valid CAS Registry Number.
InChI:InChI=1/C12H6O4/c13-11-3-1-7-5-8-2-4-12(14)16-10(8)6-9(7)15-11/h1-6H

4413-05-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name pyrano[3,2-g]chromene-2,8-dione

1.2 Other means of identification

Product number -
Other names Pyrano[3,2-g]chromen-2,8-dion

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4413-05-2 SDS

4413-05-2Downstream Products

4413-05-2Relevant academic research and scientific papers

Ytterbium triflate promoted coupling of phenols and propiolic acids: Synthesis of coumarins

Fiorito, Serena,Epifano, Francesco,Taddeo, Vito A.,Genovese, Salvatore

supporting information, p. 2939 - 2942 (2016/06/14)

Coumarins are a well-known class of natural occurring and semi-synthetic products with reported important and effective pharmacological activities. In this Letter an improved method for the chemical synthesis of such compounds is described. Coumarins have been obtained in good to excellent yields under microwave irradiation and solvent-free conditions in a short time from differently substituted phenols and propiolic acids used as starting materials in the presence of Yb(OTf)3 hydrate 10% mol as the catalyst.

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