1417705-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1417705-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,7,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1417705-89:
(9*1)+(8*4)+(7*1)+(6*7)+(5*7)+(4*0)+(3*5)+(2*8)+(1*9)=165
165 % 10 = 5
So 1417705-89-5 is a valid CAS Registry Number.