78408-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78408-97-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,0 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78408-97:
(7*7)+(6*8)+(5*4)+(4*0)+(3*8)+(2*9)+(1*7)=166
166 % 10 = 6
So 78408-97-6 is a valid CAS Registry Number.