72031-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72031-79-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,3 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72031-79:
(7*7)+(6*2)+(5*0)+(4*3)+(3*1)+(2*7)+(1*9)=99
99 % 10 = 9
So 72031-79-9 is a valid CAS Registry Number.