16540-46-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16540-46-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,4 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16540-46:
(7*1)+(6*6)+(5*5)+(4*4)+(3*0)+(2*4)+(1*6)=98
98 % 10 = 8
So 16540-46-8 is a valid CAS Registry Number.