100165-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100165-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,6 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 100165-52:
(8*1)+(7*0)+(6*0)+(5*1)+(4*6)+(3*5)+(2*5)+(1*2)=64
64 % 10 = 4
So 100165-52-4 is a valid CAS Registry Number.