16347-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16347-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,3,4 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16347-74:
(7*1)+(6*6)+(5*3)+(4*4)+(3*7)+(2*7)+(1*4)=113
113 % 10 = 3
So 16347-74-3 is a valid CAS Registry Number.