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1028559-84-3

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1028559-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1028559-84-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,5,5 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1028559-84:
(9*1)+(8*0)+(7*2)+(6*8)+(5*5)+(4*5)+(3*9)+(2*8)+(1*4)=163
163 % 10 = 3
So 1028559-84-3 is a valid CAS Registry Number.

1028559-84-3Relevant academic research and scientific papers

Iodine-mediated guanidine formation through arylsulfonyl-activated thioureas

Qin, Cuiying,Li, Jizhen,Fan, Erkang

, p. 2465 - 2468 (2009)

Reaction of arylsulfonyl thioureas with amines to form guanidines can be efficiently promoted through the use of iodine, instead of conventional reagents such as the Mukaiyama reagent or EDC. The general scope and limitations of the reaction are probed.

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