501022-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501022-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,0,2 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 501022-73:
(8*5)+(7*0)+(6*1)+(5*0)+(4*2)+(3*2)+(2*7)+(1*3)=77
77 % 10 = 7
So 501022-73-7 is a valid CAS Registry Number.