135609-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135609-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,0 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135609-13:
(8*1)+(7*3)+(6*5)+(5*6)+(4*0)+(3*9)+(2*1)+(1*3)=121
121 % 10 = 1
So 135609-13-1 is a valid CAS Registry Number.