55247-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55247-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,4 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55247-97:
(7*5)+(6*5)+(5*2)+(4*4)+(3*7)+(2*9)+(1*7)=137
137 % 10 = 7
So 55247-97-7 is a valid CAS Registry Number.