188562-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188562-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,5,6 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188562-73:
(8*1)+(7*8)+(6*8)+(5*5)+(4*6)+(3*2)+(2*7)+(1*3)=184
184 % 10 = 4
So 188562-73-4 is a valid CAS Registry Number.