16188-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16188-34-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,8 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 16188-34:
(7*1)+(6*6)+(5*1)+(4*8)+(3*8)+(2*3)+(1*4)=114
114 % 10 = 4
So 16188-34-4 is a valid CAS Registry Number.