78502-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78502-12-2 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, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78502-12:
(7*7)+(6*8)+(5*5)+(4*0)+(3*2)+(2*1)+(1*2)=132
132 % 10 = 2
So 78502-12-2 is a valid CAS Registry Number.