121196-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121196-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,9 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121196-18:
(8*1)+(7*2)+(6*1)+(5*1)+(4*9)+(3*6)+(2*1)+(1*8)=97
97 % 10 = 7
So 121196-18-7 is a valid CAS Registry Number.