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271778-97-3

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271778-97-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 271778-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,1,7,7 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 271778-97:
(8*2)+(7*7)+(6*1)+(5*7)+(4*7)+(3*8)+(2*9)+(1*7)=183
183 % 10 = 3
So 271778-97-3 is a valid CAS Registry Number.

271778-97-3Downstream Products

271778-97-3Relevant articles and documents

Reactivity of heterocyclic enaminones: Regioselective synthesis of polyfused indolones

Blache, Yves,Benezech, Veronique,Chezal, Jean-Michel,Boule, Pierre,Viols, Henri,Chavignon, Olivier,Teulade, Jean-Claude,Chapat, Jean-Pierre

, p. 905 - 916 (2007/10/03)

Photocyclization of heterocyclic enaminones to give partial hydrogenated derivatives of indolo[2,3-c]quinoline, pyrido[2,3-c]carbazole, and pyrido[4,3-a]carbazole is described. In addition, 3-[(5'-quinolinyl)- benzylamino]cyclohex-2-en-1-one and 3-[(8'-quinolinyl)benzylamino]cyclohex-2- en-1-one undergo C-N bond cleavages and a benzyl migration on the C-6 and C-7 positions respectively.

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