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1438400-27-1

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1438400-27-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1438400-27-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,4,0 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1438400-27:
(9*1)+(8*4)+(7*3)+(6*8)+(5*4)+(4*0)+(3*0)+(2*2)+(1*7)=141
141 % 10 = 1
So 1438400-27-1 is a valid CAS Registry Number.

1438400-27-1Relevant articles and documents

Ru(ii)-catalyzed intermolecular ortho-C-H amidation of aromatic ketones with sulfonyl azides

Bhanuchandra,Ramu Yadav,Rit, Raja K.,Rao Kuram, Malleswara,Sahoo, Akhila K.

, p. 5225 - 5227 (2013/06/27)

Ru(ii)-catalyzed intermolecular ortho-C-H amidation of weakly coordinating aromatic ketones with sulfonyl azides is reported. The developed reaction protocol can be extended to various substituted aromatic ketones to afford a wide range of desired C-N bond formation products in good yields.

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