The CAS Registry Mumber 220193-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 220193-81: (8*2)+(7*2)+(6*0)+(5*1)+(4*9)+(3*3)+(2*8)+(1*1)=97 97 % 10 = 7 So 220193-81-7 is a valid CAS Registry Number.
Large scale preparation of cell permeable, non-phosphate-containing Grb2 SH2 domain inhibitors
Liu, Ding-Guo,Yao, Zhu-Jun,Gao, Yang,Burke Jr., Terrence R.
, p. 197 - 201 (2007/10/03)
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