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2H-1-Benzopyran-2-one, 7-hydroxy-3,4-diphenyl-, also known as 7-hydroxy-3,4-diphenyl-2H-1-benzopyran-2-one, is a chemical compound with the molecular formula C20H14O3. It is a derivative of chromone, a heterocyclic compound consisting of a benzene ring fused to a pyran ring. This specific compound features two phenyl groups attached to the third and fourth carbon atoms of the pyran ring, and a hydroxyl group at the seventh position. It is an organic compound with potential applications in the synthesis of various pharmaceuticals and natural products, such as flavonoids, due to its unique structure and functional groups.

3450-72-4

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3450-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3450-72-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,5 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3450-72:
(6*3)+(5*4)+(4*5)+(3*0)+(2*7)+(1*2)=74
74 % 10 = 4
So 3450-72-4 is a valid CAS Registry Number.

3450-72-4SDS

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 3,4-Diphenyl-7-hydroxycoumarin

1.2 Other means of identification

Product number -
Other names 7-Hydroxy-3,4-diphenyl-cumarin

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

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More Details:3450-72-4 SDS

3450-72-4Relevant academic research and scientific papers

SYNTHESIS OF 3-ARYLCOUMARINS, 2-AROYLBENZOFURANS AND 3-ARYL-2H-1,4-BENZOXAZINES UNDER PHASE-TRANSFER CATALYSIS CONDITIONS

Sabitha, G.,Rao, A. V. Subba

, p. 341 - 354 (2007/10/02)

The synthesis of 3-arylcoumarins, 2-aroylbenzofurans and 3-aryl-2H-1,4-benzoxazines under phase transfer catalysis conditions is described.

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