78398-14-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78398-14-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,3,9 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78398-14:
(7*7)+(6*8)+(5*3)+(4*9)+(3*8)+(2*1)+(1*4)=178
178 % 10 = 8
So 78398-14-8 is a valid CAS Registry Number.