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220986-83-4

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220986-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220986-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,9,8 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 220986-83:
(8*2)+(7*2)+(6*0)+(5*9)+(4*8)+(3*6)+(2*8)+(1*3)=144
144 % 10 = 4
So 220986-83-4 is a valid CAS Registry Number.

220986-83-4Downstream Products

220986-83-4Relevant academic research and scientific papers

Effect of lithiation on the reactivity of diazo derivatives with sulfonylalkynes: Application to the synthesis of three isomeric trisubstituted pyrazoles

Bourissou, Didier,Bertrand, Guy

, p. 883 - 886 (1999)

The difference in reactivity of diazo derivatives versus their lithium salts allowed the synthesis of different regioisomeric funtionalized pyrazoles.

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