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1581259-53-1

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1581259-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1581259-53-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,1,2,5 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1581259-53:
(9*1)+(8*5)+(7*8)+(6*1)+(5*2)+(4*5)+(3*9)+(2*5)+(1*3)=181
181 % 10 = 1
So 1581259-53-1 is a valid CAS Registry Number.

1581259-53-1Relevant articles and documents

Synthesis of benzo-γ-sultams via the Rh-catalyzed aromatic C-H functionalization of diazosulfonamides

Yang, Zhanhui,Xu, Jiaxi

, p. 3616 - 3618 (2014/04/03)

An efficient synthesis of 1-aryl-benzo-γ-sultams, 1-aryl-1,3-dihydrobenzo[c]isothiazole-2,2-dioxides, was achieved in 65-99% yields via the Rh-catalyzed intramolecular aromatic C-H functionalization of N,N-diaryl diazosulfonamides with 0.5 mol% Rh2(oct)4 as the catalyst. This journal is the Partner Organisations 2014.

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