121976-04-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121976-04-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,7 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121976-04:
(8*1)+(7*2)+(6*1)+(5*9)+(4*7)+(3*6)+(2*0)+(1*4)=123
123 % 10 = 3
So 121976-04-3 is a valid CAS Registry Number.