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1381793-55-0

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1381793-55-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1381793-55-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,1,7,9 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1381793-55:
(9*1)+(8*3)+(7*8)+(6*1)+(5*7)+(4*9)+(3*3)+(2*5)+(1*5)=190
190 % 10 = 0
So 1381793-55-0 is a valid CAS Registry Number.

1381793-55-0Downstream Products

1381793-55-0Relevant articles and documents

Electrophilicities of bissulfonyl ethylenes

Asahara, Haruyasu,Mayr, Herbert

, p. 1401 - 1407 (2012/07/28)

Kinetics of the reactions of bissulfonyl ethylenes with various carbanions, a sulfur ylide, and siloxyalkenes have been investigated photometrically at 20°C. The second-order rate constants have been combined with the known nucleophile- specific parameters N and sN for the nucleophiles to calculate the empirical electrophilicity parameters E of bissulfonyl ethylenes according to the linear free energy relationship log k(20°C)=s N(N+E). Structure-reactivity relationships are discussed, and it is shown that the electrophilicity parameters E derived in this work can be employed to define the synthetic potential of bissulfonyl ethylenes as Michael acceptors. Copyright

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