The CAS Registry Mumber 111189-94-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,8 and 9 respectively; the second part has 2 digits, 9 and 4 respectively. Calculate Digit Verification of CAS Registry Number 111189-94: (8*1)+(7*1)+(6*1)+(5*1)+(4*8)+(3*9)+(2*9)+(1*4)=107 107 % 10 = 7 So 111189-94-7 is a valid CAS Registry Number.
A transition-metal-controlled synthesis of (±)-aristeromycin and (±)-2',3'-diepi-aristeromycin. An unusual directive effect in hydroxylations
Trost,Kuo,Benneche
, p. 621 - 622 (2007/10/02)
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