74101-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74101-73-8 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 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74101-73:
(7*7)+(6*4)+(5*1)+(4*0)+(3*1)+(2*7)+(1*3)=98
98 % 10 = 8
So 74101-73-8 is a valid CAS Registry Number.