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5,10,15-trimethyl-10,15-dihydro-5H-5,10,15-triaza-diindeno[1,2-a;1',2'-c]fluorine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75833-66-8

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75833-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75833-66-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,3 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75833-66:
(7*7)+(6*5)+(5*8)+(4*3)+(3*3)+(2*6)+(1*6)=158
158 % 10 = 8
So 75833-66-8 is a valid CAS Registry Number.

75833-66-8Upstream product

75833-66-8Downstream Products

75833-66-8Relevant academic research and scientific papers

Synthesis of 2,2'-biindolyls by coupling reactions

Bergman, Jan,Eklund, Nils

, p. 1439 - 1443 (1980)

Coupling reactions of indoles forming 2,2'-biindolyls have been investigated. 2-Iodo-N-methyl-indole and unactivated copper gave N,N'-dimethyl-2,2'-biindolyl whereas activated copper yielded N-methyl-indole and the symmetrical trisindolobenzene 5. A mechanism involving the elimination of copper hydride to form a hetaryne intermediate is suggested. Coupling of N-benzenesulfonyl-2-lithioindole with CuCl2 yielded 2,2'-biindolyl after hydrolysis. N-methyl-2-lithioindole likewise gave N,N'-dimethyl-2,2'-biindolyl.

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