55390-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55390-29-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,9 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55390-29:
(7*5)+(6*5)+(5*3)+(4*9)+(3*0)+(2*2)+(1*9)=129
129 % 10 = 9
So 55390-29-9 is a valid CAS Registry Number.