31794-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31794-09-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,7,9 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31794-09:
(7*3)+(6*1)+(5*7)+(4*9)+(3*4)+(2*0)+(1*9)=119
119 % 10 = 9
So 31794-09-9 is a valid CAS Registry Number.