56432-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56432-89-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,4,3 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56432-89:
(7*5)+(6*6)+(5*4)+(4*3)+(3*2)+(2*8)+(1*9)=134
134 % 10 = 4
So 56432-89-4 is a valid CAS Registry Number.