1401688-09-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1401688-09-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,1,6,8 and 8 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1401688-09:
(9*1)+(8*4)+(7*0)+(6*1)+(5*6)+(4*8)+(3*8)+(2*0)+(1*9)=142
142 % 10 = 2
So 1401688-09-2 is a valid CAS Registry Number.