431054-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 431054-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,0,5 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 431054-30:
(8*4)+(7*3)+(6*1)+(5*0)+(4*5)+(3*4)+(2*3)+(1*0)=97
97 % 10 = 7
So 431054-30-7 is a valid CAS Registry Number.