1219816-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1219816-89-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,8,1 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1219816-89:
(9*1)+(8*2)+(7*1)+(6*9)+(5*8)+(4*1)+(3*6)+(2*8)+(1*9)=173
173 % 10 = 3
So 1219816-89-3 is a valid CAS Registry Number.