6550-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6550-43-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,5 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6550-43:
(6*6)+(5*5)+(4*5)+(3*0)+(2*4)+(1*3)=92
92 % 10 = 2
So 6550-43-2 is a valid CAS Registry Number.