431074-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 431074-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,0,7 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 431074-97:
(8*4)+(7*3)+(6*1)+(5*0)+(4*7)+(3*4)+(2*9)+(1*7)=124
124 % 10 = 4
So 431074-97-4 is a valid CAS Registry Number.