1415917-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1415917-80-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,9,1 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1415917-80:
(9*1)+(8*4)+(7*1)+(6*5)+(5*9)+(4*1)+(3*7)+(2*8)+(1*0)=164
164 % 10 = 4
So 1415917-80-4 is a valid CAS Registry Number.