161003-64-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161003-64-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,0,0 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 161003-64:
(8*1)+(7*6)+(6*1)+(5*0)+(4*0)+(3*3)+(2*6)+(1*4)=81
81 % 10 = 1
So 161003-64-1 is a valid CAS Registry Number.