76644-60-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76644-60-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,4 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76644-60:
(7*7)+(6*6)+(5*6)+(4*4)+(3*4)+(2*6)+(1*0)=155
155 % 10 = 5
So 76644-60-5 is a valid CAS Registry Number.