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2,7-diphenyl-4H,5H-thieno<2,3-d:5,4-d'>bis<3,1>-oxazin-4,5-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

108561-19-9

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108561-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108561-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,5,6 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 108561-19:
(8*1)+(7*0)+(6*8)+(5*5)+(4*6)+(3*1)+(2*1)+(1*9)=119
119 % 10 = 9
So 108561-19-9 is a valid CAS Registry Number.

108561-19-9Downstream Products

108561-19-9Relevant academic research and scientific papers

A new, general approach for the synthesis of heteroannulated 3,1-oxazin-4-ones

Wamhoff,Herrmann,Stolben,Nieger

, p. 581 - 594 (2007/10/02)

β-(N-Triphenylphosphoranyliden)-enamino esters afford the synthetically useful heteroannulated 3,1-oxazin-4-ones with aroyl chlorides in different solvents. The reaction proceeds in one step and in high yields and appears to be independent of the reactivity of the heterocyclic substrate.

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