131234-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131234-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,3 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131234-52:
(8*1)+(7*3)+(6*1)+(5*2)+(4*3)+(3*4)+(2*5)+(1*2)=81
81 % 10 = 1
So 131234-52-1 is a valid CAS Registry Number.