5164-22-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5164-22-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,6 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5164-22:
(6*5)+(5*1)+(4*6)+(3*4)+(2*2)+(1*2)=77
77 % 10 = 7
So 5164-22-7 is a valid CAS Registry Number.