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222056-50-0

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222056-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 222056-50-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,0,5 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 222056-50:
(8*2)+(7*2)+(6*2)+(5*0)+(4*5)+(3*6)+(2*5)+(1*0)=90
90 % 10 = 0
So 222056-50-0 is a valid CAS Registry Number.

222056-50-0Relevant articles and documents

Synthesis of mono- and disubstituted 1H-imidazo[1,2-b]pyrazoles

Seneci,Nicola,Inglesi,Vanotti,Resnati

, p. 311 - 341 (2007/10/03)

The improved synthesis of 1H-imidazo[1,2-b]pyrazole 1 and of mono- and disubstituted derivatives is described and representative experimental procedures are given. Namely, 2-, 3-, 7- and 6-monosubstituted (2-15k), 2,3- and 6,7-disubstituted (16,17) compounds are prepared and characterized.

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