131285-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131285-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,2,8 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131285-18:
(8*1)+(7*3)+(6*1)+(5*2)+(4*8)+(3*5)+(2*1)+(1*8)=102
102 % 10 = 2
So 131285-18-2 is a valid CAS Registry Number.