957511-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957511-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,5,1 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 957511-11:
(8*9)+(7*5)+(6*7)+(5*5)+(4*1)+(3*1)+(2*1)+(1*1)=184
184 % 10 = 4
So 957511-11-4 is a valid CAS Registry Number.