The CAS Registry Mumber 64979-14-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,7 and 9 respectively; the second part has 2 digits, 1 and 4 respectively. Calculate Digit Verification of CAS Registry Number 64979-14: (7*6)+(6*4)+(5*9)+(4*7)+(3*9)+(2*1)+(1*4)=172 172 % 10 = 2 So 64979-14-2 is a valid CAS Registry Number.
Chemistry of spectinomycin: Its total synthesis, stereocontrolled rearrangement, and analogs
Hanessian,Roy
, p. 163 - 172 (2007/10/02)
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