53219-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53219-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,2,1 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53219-87:
(7*5)+(6*3)+(5*2)+(4*1)+(3*9)+(2*8)+(1*7)=117
117 % 10 = 7
So 53219-87-7 is a valid CAS Registry Number.