55015-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55015-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,0,1 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55015-71:
(7*5)+(6*5)+(5*0)+(4*1)+(3*5)+(2*7)+(1*1)=99
99 % 10 = 9
So 55015-71-9 is a valid CAS Registry Number.