16739-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16739-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,3 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16739-19:
(7*1)+(6*6)+(5*7)+(4*3)+(3*9)+(2*1)+(1*9)=128
128 % 10 = 8
So 16739-19-8 is a valid CAS Registry Number.