55609-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55609-42-2 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 2 respectively.
Calculate Digit Verification of CAS Registry Number 55609-42:
(7*5)+(6*5)+(5*6)+(4*0)+(3*9)+(2*4)+(1*2)=132
132 % 10 = 2
So 55609-42-2 is a valid CAS Registry Number.