1401668-65-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1401668-65-2 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 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1401668-65:
(9*1)+(8*4)+(7*0)+(6*1)+(5*6)+(4*6)+(3*8)+(2*6)+(1*5)=142
142 % 10 = 2
So 1401668-65-2 is a valid CAS Registry Number.