131269-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131269-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,6 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131269-82:
(8*1)+(7*3)+(6*1)+(5*2)+(4*6)+(3*9)+(2*8)+(1*2)=114
114 % 10 = 4
So 131269-82-4 is a valid CAS Registry Number.