74105-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74105-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,0 and 5 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74105-59:
(7*7)+(6*4)+(5*1)+(4*0)+(3*5)+(2*5)+(1*9)=112
112 % 10 = 2
So 74105-59-2 is a valid CAS Registry Number.