1618663-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1618663-58-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,8,6,6 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1618663-58:
(9*1)+(8*6)+(7*1)+(6*8)+(5*6)+(4*6)+(3*3)+(2*5)+(1*8)=193
193 % 10 = 3
So 1618663-58-3 is a valid CAS Registry Number.