131607-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131607-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,0 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131607-99:
(8*1)+(7*3)+(6*1)+(5*6)+(4*0)+(3*7)+(2*9)+(1*9)=113
113 % 10 = 3
So 131607-99-3 is a valid CAS Registry Number.