12506-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12506-18-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,5,0 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 12506-18:
(7*1)+(6*2)+(5*5)+(4*0)+(3*6)+(2*1)+(1*8)=72
72 % 10 = 2
So 12506-18-2 is a valid CAS Registry Number.
InChI:InChI=1/2Bi.7O.2Ru/q2*+3;7*-2;2*+4