1417789-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1417789-09-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,7,7,8 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1417789-09:
(9*1)+(8*4)+(7*1)+(6*7)+(5*7)+(4*8)+(3*9)+(2*0)+(1*9)=193
193 % 10 = 3
So 1417789-09-3 is a valid CAS Registry Number.