423151-75-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 423151-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,3,1,5 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 423151-75:
(8*4)+(7*2)+(6*3)+(5*1)+(4*5)+(3*1)+(2*7)+(1*5)=111
111 % 10 = 1
So 423151-75-1 is a valid CAS Registry Number.