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890881-57-9

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890881-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 890881-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,8,8 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 890881-57:
(8*8)+(7*9)+(6*0)+(5*8)+(4*8)+(3*1)+(2*5)+(1*7)=219
219 % 10 = 9
So 890881-57-9 is a valid CAS Registry Number.

890881-57-9Downstream Products

890881-57-9Relevant academic research and scientific papers

Microwave-assisted protocols for the expedited synthesis of pyrazolo[1,5-a] and [3,4-d]pyrimidines

Daniels, R. Nathan,Kim, Kwangho,Lebois, Evan P.,Muchalski, Hubert,Hughes, Mary,Lindsley, Craig W.

, p. 305 - 310 (2008/09/17)

General, high-yielding MAOS protocols for the expedited synthesis of functionalized pyrazolo[1,5-a]pyrimidines and pyrazolo[3,4-b]pyrimidines, as well as their pyrazole precursors, are described amenable to an iterative analogue library synthesis strategy for lead optimization.

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