431894-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 431894-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,8,9 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 431894-46:
(8*4)+(7*3)+(6*1)+(5*8)+(4*9)+(3*4)+(2*4)+(1*6)=161
161 % 10 = 1
So 431894-46-1 is a valid CAS Registry Number.