1401-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1401-16-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,0 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1401-16:
(6*1)+(5*4)+(4*0)+(3*1)+(2*1)+(1*6)=37
37 % 10 = 7
So 1401-16-7 is a valid CAS Registry Number.