16734-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16734-93-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,3 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 16734-93:
(7*1)+(6*6)+(5*7)+(4*3)+(3*4)+(2*9)+(1*3)=123
123 % 10 = 3
So 16734-93-3 is a valid CAS Registry Number.