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206442-73-1

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206442-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 206442-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,4,4 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 206442-73:
(8*2)+(7*0)+(6*6)+(5*4)+(4*4)+(3*2)+(2*7)+(1*3)=111
111 % 10 = 1
So 206442-73-1 is a valid CAS Registry Number.

206442-73-1Downstream Products

206442-73-1Relevant articles and documents

Novel N-Substituted Amino-4-methylsulfanyl-2-pyridones and Deazapurine Analogues from Ketene Dithioacetals

Elgemeie, Galal H.,Elghandour, Ahmed H.,Elzanate, Ali M.,Masoud, Wafaa A.

, p. 164 - 165 (2007/10/03)

A novel synthesis of N-substituted amino-4-methylsulfanyl-2-pyridones and deazapurine analogues via the reaction of ketene dithioacetals with substituted semi- and thio-semicarbazide derivatives is reported and the synthetic potential of the method is dem

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