135513-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135513-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,5,1 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 135513-90:
(8*1)+(7*3)+(6*5)+(5*5)+(4*1)+(3*3)+(2*9)+(1*0)=115
115 % 10 = 5
So 135513-90-5 is a valid CAS Registry Number.