131945-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131945-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,4 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131945-11:
(8*1)+(7*3)+(6*1)+(5*9)+(4*4)+(3*5)+(2*1)+(1*1)=114
114 % 10 = 4
So 131945-11-4 is a valid CAS Registry Number.