166533-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166533-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,5,3 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 166533-58:
(8*1)+(7*6)+(6*6)+(5*5)+(4*3)+(3*3)+(2*5)+(1*8)=150
150 % 10 = 0
So 166533-58-0 is a valid CAS Registry Number.