1423425-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1423425-09-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,3,4,2 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1423425-09:
(9*1)+(8*4)+(7*2)+(6*3)+(5*4)+(4*2)+(3*5)+(2*0)+(1*9)=125
125 % 10 = 5
So 1423425-09-5 is a valid CAS Registry Number.