65538-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65538-11-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,3 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65538-11:
(7*6)+(6*5)+(5*5)+(4*3)+(3*8)+(2*1)+(1*1)=136
136 % 10 = 6
So 65538-11-6 is a valid CAS Registry Number.