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1584709-90-9

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1584709-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1584709-90-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,4,7,0 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1584709-90:
(9*1)+(8*5)+(7*8)+(6*4)+(5*7)+(4*0)+(3*9)+(2*9)+(1*0)=209
209 % 10 = 9
So 1584709-90-9 is a valid CAS Registry Number.

1584709-90-9Relevant articles and documents

A defunctionalization concept for the convenient synthesis of bis(5-arylfuran-2-yl)methane scaffolds

Tiwari, Praveen Kumar,Mukhopadhyay, Tufan,Aidhen, Indrapal Singh

, p. 8083 - 8086 (2014/01/06)

The bis(5-arylfuran-2-yl)methane framework has been obtained through defunctionalization of aryl ketones, derived from abundantly available L-(+)-tartaric acid, under the influence of acid. The stereocomponents present in these starting aryl ketones have been found to be insignificant for this transformation. Formation of bis(5-arylfuran-2-yl)methane scaffold 1 has been achieved by using a defunctionalization concept involving aryl ketones 2 under the influence of acid. Ketones 2 are easily accessible from L-(+)-tartaric acid through an umpolung strategy using α-amino nitriles as acyl anion equivalents. The stereocomponent (threo/erythro) present in 2 was not significant for this transformation. Copyright

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