55609-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55609-44-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,0 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55609-44:
(7*5)+(6*5)+(5*6)+(4*0)+(3*9)+(2*4)+(1*4)=134
134 % 10 = 4
So 55609-44-4 is a valid CAS Registry Number.