174206-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 174206-16-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,2,0 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 174206-16:
(8*1)+(7*7)+(6*4)+(5*2)+(4*0)+(3*6)+(2*1)+(1*6)=117
117 % 10 = 7
So 174206-16-7 is a valid CAS Registry Number.