131061-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131061-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,6 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131061-55:
(8*1)+(7*3)+(6*1)+(5*0)+(4*6)+(3*1)+(2*5)+(1*5)=77
77 % 10 = 7
So 131061-55-7 is a valid CAS Registry Number.