122985-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122985-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,9,8 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 122985-21:
(8*1)+(7*2)+(6*2)+(5*9)+(4*8)+(3*5)+(2*2)+(1*1)=131
131 % 10 = 1
So 122985-21-1 is a valid CAS Registry Number.