53809-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53809-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,0 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53809-87:
(7*5)+(6*3)+(5*8)+(4*0)+(3*9)+(2*8)+(1*7)=143
143 % 10 = 3
So 53809-87-3 is a valid CAS Registry Number.
InChI:InChI=1/9Fe.9Ni.16S/q9*+3;9*+2;16*-2