131522-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131522-39-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,2 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 131522-39:
(8*1)+(7*3)+(6*1)+(5*5)+(4*2)+(3*2)+(2*3)+(1*9)=89
89 % 10 = 9
So 131522-39-9 is a valid CAS Registry Number.