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1,1’,3,3’-tetrahydro-1,1’-dimethyl-3,3’-diphenyl-2H,2’H-3,3’-biindole-2,2’-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

84218-33-7

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84218-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84218-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,1 and 8 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 84218-33:
(7*8)+(6*4)+(5*2)+(4*1)+(3*8)+(2*3)+(1*3)=127
127 % 10 = 7
So 84218-33-7 is a valid CAS Registry Number.

84218-33-7Relevant academic research and scientific papers

Reduction of 3-aminoquinoline-2,4(1H,3H)-diones and deamination of the reaction products

Klásek, Antonín,Ly?ka, Antonín,Rouchal, Michal,Rudolf, Ond?ej,R??i?ka, Ale?

, p. 595 - 612 (2014/06/09)

3-Aminoquinoline-2,4-diones were stereoselectively reduced with NaBH 4 to give cis-3-amino-3,4-dihydro-4-hydroxyquinolin-2(1H)-ones. Using triphosgene (=bis(trichloromethyl) carbonate), these compounds were converted to 3,3a-dihydrooxazolo[4,5-

OXIDATION OF 2-INDOLINONES WITH COBALT(II) SCHIFF'S BASE COMPLEXES

Inada, Akira,Morita, Yutaka

, p. 2139 - 2142 (2007/10/02)

The oxidation of 2-indolinones (1) catalysed with cobalt(II) Schiff's base complexes gave isatins (2), O-aminoketones (3), 3-hydroxy-2-indolinones (4), and dimers (5).

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