1404306-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1404306-91-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,4,3,0 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1404306-91:
(9*1)+(8*4)+(7*0)+(6*4)+(5*3)+(4*0)+(3*6)+(2*9)+(1*1)=117
117 % 10 = 7
So 1404306-91-7 is a valid CAS Registry Number.