185808-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185808-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,8,0 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 185808-55:
(8*1)+(7*8)+(6*5)+(5*8)+(4*0)+(3*8)+(2*5)+(1*5)=173
173 % 10 = 3
So 185808-55-3 is a valid CAS Registry Number.