122957-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122957-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,9,5 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 122957-43:
(8*1)+(7*2)+(6*2)+(5*9)+(4*5)+(3*7)+(2*4)+(1*3)=131
131 % 10 = 1
So 122957-43-1 is a valid CAS Registry Number.