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2951-61-3

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2951-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2951-61-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,5 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2951-61:
(6*2)+(5*9)+(4*5)+(3*1)+(2*6)+(1*1)=93
93 % 10 = 3
So 2951-61-3 is a valid CAS Registry Number.

2951-61-3Relevant articles and documents

Photochemistry of Amino Ketones, 14. - Synthesis and Transannular Photocyclisation of 2-Benzoyl-1,4-bis-(tosyl)piperazines

Wessig, Pablo,Legart, Frank,Hoffmann, Berit,Henning, Hans-Georg

, p. 979 - 982 (2007/10/02)

1,1-Dialkyl-1,2-bis(tosylamino)ethanes 4 are prepared in a three-step reaction starting with dialkyl ketones 1.With strong bases in dimethylformamide compounds 4 react regioselectively with 1,2-dibromoalkyl phenyl ketones 5 to afford the 2-benzoyl-1,4-bis

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