78501-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78501-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,0 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78501-98:
(7*7)+(6*8)+(5*5)+(4*0)+(3*1)+(2*9)+(1*8)=151
151 % 10 = 1
So 78501-98-1 is a valid CAS Registry Number.