122698-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122698-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,6,9 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 122698-42:
(8*1)+(7*2)+(6*2)+(5*6)+(4*9)+(3*8)+(2*4)+(1*2)=134
134 % 10 = 4
So 122698-42-4 is a valid CAS Registry Number.