122989-95-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122989-95-1 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 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 122989-95:
(8*1)+(7*2)+(6*2)+(5*9)+(4*8)+(3*9)+(2*9)+(1*5)=161
161 % 10 = 1
So 122989-95-1 is a valid CAS Registry Number.