957111-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957111-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,1,1 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 957111-40:
(8*9)+(7*5)+(6*7)+(5*1)+(4*1)+(3*1)+(2*4)+(1*0)=169
169 % 10 = 9
So 957111-40-9 is a valid CAS Registry Number.