801973-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 801973-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,1,9,7 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 801973-79:
(8*8)+(7*0)+(6*1)+(5*9)+(4*7)+(3*3)+(2*7)+(1*9)=175
175 % 10 = 5
So 801973-79-5 is a valid CAS Registry Number.