16885-46-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16885-46-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,8 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16885-46:
(7*1)+(6*6)+(5*8)+(4*8)+(3*5)+(2*4)+(1*6)=144
144 % 10 = 4
So 16885-46-4 is a valid CAS Registry Number.