16340-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16340-11-7 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 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 16340-11:
(7*1)+(6*6)+(5*3)+(4*4)+(3*0)+(2*1)+(1*1)=77
77 % 10 = 7
So 16340-11-7 is a valid CAS Registry Number.