351-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 351-89-3 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, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 351-89:
(5*3)+(4*5)+(3*1)+(2*8)+(1*9)=63
63 % 10 = 3
So 351-89-3 is a valid CAS Registry Number.