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794-78-5

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794-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 794-78-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,9 and 4 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 794-78:
(5*7)+(4*9)+(3*4)+(2*7)+(1*8)=105
105 % 10 = 5
So 794-78-5 is a valid CAS Registry Number.

794-78-5Downstream Products

794-78-5Relevant articles and documents

A New and Regioselective Synthesis of Aromatic Diazene Derivatives

Neumann, Wilhelm P.,Wicenec, Christian

, p. 2297 - 2301 (2007/10/02)

A new method for the preparation of aromatic diazene derivatives 3a-l, 5, 7a, b, 9 under very mild conditions is described.The reaction of trialkylarylstannanes with nitro-substituted benzenediazonium tetrafluoroborates leads, by strict ipso substitution, to the corresponding diaryldiazenes in satisfactory to high yields.Due to the excellent leaving group quality of the stannyl group azo compounds may be prepared which are not accessible by normal electrophilic azo coupling.The products can be valuable precursors, obtained by reduction of the amines or other derivatizations, for consecutive aromatic compounds.Key Words: Aromatic substitution, electrophilic / Azo compounds, synthesis of / Diazonium compounds, aromatic, coupling reaction of, with trialkylarylstannanes / Trialkylarylstannanes, application of

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