131116-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131116-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,1 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131116-54:
(8*1)+(7*3)+(6*1)+(5*1)+(4*1)+(3*6)+(2*5)+(1*4)=76
76 % 10 = 6
So 131116-54-6 is a valid CAS Registry Number.