131134-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131134-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,3 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131134-65:
(8*1)+(7*3)+(6*1)+(5*1)+(4*3)+(3*4)+(2*6)+(1*5)=81
81 % 10 = 1
So 131134-65-1 is a valid CAS Registry Number.