The CAS Registry Mumber 109068-26-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,6 and 8 respectively; the second part has 2 digits, 2 and 6 respectively. Calculate Digit Verification of CAS Registry Number 109068-26: (8*1)+(7*0)+(6*9)+(5*0)+(4*6)+(3*8)+(2*2)+(1*6)=120 120 % 10 = 0 So 109068-26-0 is a valid CAS Registry Number.
Rapid peptide synthesis in liquid phase. Preparation of angiotensin II and delta-sleep-inducing peptide by the 'hold-in' solution method
Nozaki,Muramatsu
, p. 2165 - 2168 (2007/10/02)
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