1422189-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1422189-19-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,1,8 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1422189-19:
(9*1)+(8*4)+(7*2)+(6*2)+(5*1)+(4*8)+(3*9)+(2*1)+(1*9)=142
142 % 10 = 2
So 1422189-19-2 is a valid CAS Registry Number.