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1201762-98-2

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1201762-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1201762-98-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,7,6 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1201762-98:
(9*1)+(8*2)+(7*0)+(6*1)+(5*7)+(4*6)+(3*2)+(2*9)+(1*8)=122
122 % 10 = 2
So 1201762-98-2 is a valid CAS Registry Number.

1201762-98-2Downstream Products

1201762-98-2Relevant articles and documents

Regioselectivity in the amination of azines: Reaction of pyrazine derivatives with O-mesitylenesulfonylhydroxylamine

Borodkin,Vorob'ev,Shakirov,Shubin

experimental part, p. 889 - 896 (2011/10/02)

Treatment of 2-X-substituted pyrazines [X = H, Me, Et, Pr, i-Pr, t-Bu, MeCH(OH), H2N, AcNH] with O-mesitylenesulfonylhydroxylamine gave the corresponding 2-X- and 3-X-(1-amino)pyrazin-1-ium mesitylenesulfonates. 2-Alkylpyrazines (X = Me, Et, Pr, i-Pr) displayed a correlation between the logarithms of the concentration ratio of 2- and 3-substituted cations and substituent steric constants. Wider series of substituted pyrazines [X = H, Me, Et, Pr, i-Pr, MeCH(OH), H2N, AcNH] conformed to a multiparameter correlation between the logarithms of the concentration ratio of 2- and 3-substituted cations, on the one hand, and substituent constants σI, σR?, and E s?, on the other. The obtained data on the regioselectivity of amination of pyrazines were interpreted in terms of DFT/PBE/3Z quantum-chemical calculations. Pleiades Publishing, Ltd., 2011.

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