55984-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55984-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,8 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55984-45:
(7*5)+(6*5)+(5*9)+(4*8)+(3*4)+(2*4)+(1*5)=167
167 % 10 = 7
So 55984-45-7 is a valid CAS Registry Number.