78425-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78425-85-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,2 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78425-85:
(7*7)+(6*8)+(5*4)+(4*2)+(3*5)+(2*8)+(1*5)=161
161 % 10 = 1
So 78425-85-1 is a valid CAS Registry Number.