78502-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78502-05-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,0 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78502-05:
(7*7)+(6*8)+(5*5)+(4*0)+(3*2)+(2*0)+(1*5)=133
133 % 10 = 3
So 78502-05-3 is a valid CAS Registry Number.