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1073974-16-9

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1073974-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1073974-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,3,9,7 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1073974-16:
(9*1)+(8*0)+(7*7)+(6*3)+(5*9)+(4*7)+(3*4)+(2*1)+(1*6)=169
169 % 10 = 9
So 1073974-16-9 is a valid CAS Registry Number.

1073974-16-9Downstream Products

1073974-16-9Relevant articles and documents

Kinetics and mechanism of the anilinolysis of S-aryl N-arylthiocarbamates in acetonitrile

Sung, Dae Dong,Jang, Hee Man,Jung, Dae Il,Leeb, Ikchoon

experimental part, p. 1014 - 1019 (2009/10/26)

The aminolysis reactions of S-aryl N-arylthiocarbamates (YC 6H4NH-C(=O)-SC6H4Z, 1) with anilines in acetonitrile are studied. The reaction rates are more influenced by the nucleophilicity of the nucleophile than the nucleofugality of the leaving group, but the change In the effective charge from reactants to the TS for formation of the tetrahedral intermediate is slightly greater in the leaving group (βz from-0.07 to -0.14) than In the nucleophile (βx = 0.04-0.12). The magnitude of the Broensted coefficients are in the range of values that are consistent for a stepwise mechanism with rate-limiting formation of the zwitterionic tetrahedral intermediate. Signs of cross-interaction constants, ρxy (>0), ρxz (>0) and ρyz (0), are all consistent with a stepwise mechanism. It Is concluded that the change of the amine from benzylamines to anilines causes a shift of the aminolysis mechanism from a concerted to a stepwise process. Copyright

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