131269-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131269-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,6 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131269-83:
(8*1)+(7*3)+(6*1)+(5*2)+(4*6)+(3*9)+(2*8)+(1*3)=115
115 % 10 = 5
So 131269-83-5 is a valid CAS Registry Number.