65642-60-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65642-60-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,4 and 2 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 65642-60:
(7*6)+(6*5)+(5*6)+(4*4)+(3*2)+(2*6)+(1*0)=136
136 % 10 = 6
So 65642-60-6 is a valid CAS Registry Number.