1201189-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201189-51-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,1,8 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1201189-51:
(9*1)+(8*2)+(7*0)+(6*1)+(5*1)+(4*8)+(3*9)+(2*5)+(1*1)=106
106 % 10 = 6
So 1201189-51-6 is a valid CAS Registry Number.