733680-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 733680-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,3,6,8 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 733680-54:
(8*7)+(7*3)+(6*3)+(5*6)+(4*8)+(3*0)+(2*5)+(1*4)=171
171 % 10 = 1
So 733680-54-1 is a valid CAS Registry Number.