1400666-16-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1400666-16-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,0,6,6 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1400666-16:
(9*1)+(8*4)+(7*0)+(6*0)+(5*6)+(4*6)+(3*6)+(2*1)+(1*6)=121
121 % 10 = 1
So 1400666-16-1 is a valid CAS Registry Number.