55009-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55009-98-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,0 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55009-98:
(7*5)+(6*5)+(5*0)+(4*0)+(3*9)+(2*9)+(1*8)=118
118 % 10 = 8
So 55009-98-8 is a valid CAS Registry Number.