121119-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121119-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,1 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 121119-55:
(8*1)+(7*2)+(6*1)+(5*1)+(4*1)+(3*9)+(2*5)+(1*5)=79
79 % 10 = 9
So 121119-55-9 is a valid CAS Registry Number.