1219198-50-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219198-50-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,1,9 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1219198-50:
(9*1)+(8*2)+(7*1)+(6*9)+(5*1)+(4*9)+(3*8)+(2*5)+(1*0)=161
161 % 10 = 1
So 1219198-50-1 is a valid CAS Registry Number.