74059-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74059-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,0,5 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74059-31:
(7*7)+(6*4)+(5*0)+(4*5)+(3*9)+(2*3)+(1*1)=127
127 % 10 = 7
So 74059-31-7 is a valid CAS Registry Number.