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119273-93-7

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119273-93-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119273-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,2,7 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 119273-93:
(8*1)+(7*1)+(6*9)+(5*2)+(4*7)+(3*3)+(2*9)+(1*3)=137
137 % 10 = 7
So 119273-93-7 is a valid CAS Registry Number.

119273-93-7Upstream product

119273-93-7Downstream Products

119273-93-7Relevant articles and documents

Solvolysis Mechanism of Indan-2-yl Arenesulfonates

Lee, Ikchoon,Lee, Young Sook,Lee, Bon-Su,Lee, Hai Whang

, p. 1441 - 1445 (2007/10/02)

The solvolysis rates of 5-(Y)-substituted indan-2-yl (Z)-benzenesulfonates were determined in a variety of protic solvents at 45.0, 55.0 and 65.0 deg C.Application of an extended Grunwald-Winstein equation indicates that kinetic responses to both solvent ionizing power, YOTs, and solvent nucleophilicity, NOTs, are relatively low but increase in parallel with increasing leaving ability, m = 0.39-0.46 and I=0.32-0.41 for Z=p-Me p-NO2.The magnitude of cross-interaction constant, ρYZ, is also relatively small (0.16-0.32), which is, however, much more dependent on the nucleophilicity rather than the ionizing power of the solvent.These are consistent with the typical SN2 mechanism proceeding through a transition state in which solvent participates in both bond-making and -breaking processes.

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