19489-01-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19489-01-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,8 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19489-01:
(7*1)+(6*9)+(5*4)+(4*8)+(3*9)+(2*0)+(1*1)=141
141 % 10 = 1
So 19489-01-1 is a valid CAS Registry Number.