130611-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130611-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,1 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 130611-55:
(8*1)+(7*3)+(6*0)+(5*6)+(4*1)+(3*1)+(2*5)+(1*5)=81
81 % 10 = 1
So 130611-55-1 is a valid CAS Registry Number.