351-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 351-43-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,5 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 351-43:
(5*3)+(4*5)+(3*1)+(2*4)+(1*3)=49
49 % 10 = 9
So 351-43-9 is a valid CAS Registry Number.