The CAS Registry Mumber 74397-42-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,9 and 7 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 74397-42: (7*7)+(6*4)+(5*3)+(4*9)+(3*7)+(2*4)+(1*2)=155 155 % 10 = 5 So 74397-42-5 is a valid CAS Registry Number.
Reduced analogues of puromycin. Synthesis of 3'-O-(L-2-Amino-3-phenylpropyl)-N6,N6-dimethyladenosine and the corresponding 2' isomer
Kato,Zemlicka
, p. 4006 - 4010 (2007/10/02)
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