65611-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65611-15-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,1 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 65611-15:
(7*6)+(6*5)+(5*6)+(4*1)+(3*1)+(2*1)+(1*5)=116
116 % 10 = 6
So 65611-15-6 is a valid CAS Registry Number.