16552-54-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16552-54-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,5 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16552-54:
(7*1)+(6*6)+(5*5)+(4*5)+(3*2)+(2*5)+(1*4)=108
108 % 10 = 8
So 16552-54-8 is a valid CAS Registry Number.