16349-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16349-71-6 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 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16349-71:
(7*1)+(6*6)+(5*3)+(4*4)+(3*9)+(2*7)+(1*1)=116
116 % 10 = 6
So 16349-71-6 is a valid CAS Registry Number.