1401666-41-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1401666-41-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,1,6,6 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1401666-41:
(9*1)+(8*4)+(7*0)+(6*1)+(5*6)+(4*6)+(3*6)+(2*4)+(1*1)=128
128 % 10 = 8
So 1401666-41-8 is a valid CAS Registry Number.