1201657-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201657-16-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,6,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1201657-16:
(9*1)+(8*2)+(7*0)+(6*1)+(5*6)+(4*5)+(3*7)+(2*1)+(1*6)=110
110 % 10 = 0
So 1201657-16-0 is a valid CAS Registry Number.