166279-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 166279-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,2,7 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 166279-52:
(8*1)+(7*6)+(6*6)+(5*2)+(4*7)+(3*9)+(2*5)+(1*2)=163
163 % 10 = 3
So 166279-52-3 is a valid CAS Registry Number.