131567-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131567-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,6 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131567-18:
(8*1)+(7*3)+(6*1)+(5*5)+(4*6)+(3*7)+(2*1)+(1*8)=115
115 % 10 = 5
So 131567-18-5 is a valid CAS Registry Number.