18906-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18906-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,0 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18906-50:
(7*1)+(6*8)+(5*9)+(4*0)+(3*6)+(2*5)+(1*0)=128
128 % 10 = 8
So 18906-50-8 is a valid CAS Registry Number.
InChI:InChI=1/Cr.Cu.2H2O.3O/h;;2*1H2;;;/q2*+2;;;;;-2/p-2/rCrH2O4.Cu.O/c2-1(3,4)5;;/h2-3H;;/q;+2;-2