1218053-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1218053-12-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,8,0,5 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1218053-12:
(9*1)+(8*2)+(7*1)+(6*8)+(5*0)+(4*5)+(3*3)+(2*1)+(1*2)=113
113 % 10 = 3
So 1218053-12-3 is a valid CAS Registry Number.