78195-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78195-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,9 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78195-90:
(7*7)+(6*8)+(5*1)+(4*9)+(3*5)+(2*9)+(1*0)=171
171 % 10 = 1
So 78195-90-1 is a valid CAS Registry Number.