5135-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5135-75-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,3 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5135-75:
(6*5)+(5*1)+(4*3)+(3*5)+(2*7)+(1*5)=81
81 % 10 = 1
So 5135-75-1 is a valid CAS Registry Number.