1219207-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219207-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,2,0 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1219207-80:
(9*1)+(8*2)+(7*1)+(6*9)+(5*2)+(4*0)+(3*7)+(2*8)+(1*0)=133
133 % 10 = 3
So 1219207-80-3 is a valid CAS Registry Number.