16677-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16677-75-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,6,7 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16677-75:
(7*1)+(6*6)+(5*6)+(4*7)+(3*7)+(2*7)+(1*5)=141
141 % 10 = 1
So 16677-75-1 is a valid CAS Registry Number.