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73300-86-4

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73300-86-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73300-86-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,3,0 and 0 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73300-86:
(7*7)+(6*3)+(5*3)+(4*0)+(3*0)+(2*8)+(1*6)=104
104 % 10 = 4
So 73300-86-4 is a valid CAS Registry Number.

73300-86-4Downstream Products

73300-86-4Relevant articles and documents

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Stewart,C.A.

, p. 117 - 118 (1962)

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Reaktivity of Substituted 1,3-Butadienes in Diels-Alder-Reactions

Ruecker, Christa,Lang, Dietrich,Sauer, Juergen,Friege, Henning,Sustmann, Reiner

, p. 1663 - 1690 (2007/10/02)

Kinetic data for the reaction of substituted 1,3-dienes with tetracyanoethylene (TCNE) and other dienophiles are interpreted in terms of the FMO-model.While the expectations are fulfilled qualitatively, the kinetic data cannot be correlated quantitatively.This shows that in Diels-Alder reactions besides HOMO-LUMO separation other factors play an important role, for instance the 1,4-distance in the diene and the conformational equilibrium cisoid transoid of the diene.The kinetic data are in accord with a one-step mechanism of the cycloaddition reaction.

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