1413789-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1413789-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,3,7,8 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1413789-91:
(9*1)+(8*4)+(7*1)+(6*3)+(5*7)+(4*8)+(3*9)+(2*9)+(1*1)=179
179 % 10 = 9
So 1413789-91-9 is a valid CAS Registry Number.