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1404220-22-9

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1404220-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1404220-22-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,2,2 and 0 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1404220-22:
(9*1)+(8*4)+(7*0)+(6*4)+(5*2)+(4*2)+(3*0)+(2*2)+(1*2)=89
89 % 10 = 9
So 1404220-22-9 is a valid CAS Registry Number.

1404220-22-9Relevant articles and documents

Ruthenium-catalyzed direct C-H amidation of arenes including weakly coordinating aromatic ketones

Kim, Jiyu,Kim, Jinwoo,Chang, Sukbok

, p. 7328 - 7333 (2013)

C-H activation: The ruthenium-catalyzed direct sp2 C-H amidation of arenes by using sulfonyl azides as the amino source is presented (see scheme). A wide range of substrates were readily amidated including arenes bearing weakly coordinating groups. Synthetic utility of the thus obtained products was demonstrated in the preparation of biologically active heterocycles. Copyright

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