The CAS Registry Mumber 20376-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,7 and 6 respectively; the second part has 2 digits, 5 and 4 respectively. Calculate Digit Verification of CAS Registry Number 20376-54: (7*2)+(6*0)+(5*3)+(4*7)+(3*6)+(2*5)+(1*4)=89 89 % 10 = 9 So 20376-54-9 is a valid CAS Registry Number.
Magnetic susceptibility studies of uranyl, thorium and oxovanadium(IV) complexes with Schiff bases of 2-hydroxynaphthalidene and substituted-naphthalidenes
Prabhu,Dodwad
, p. 541 - 545 (2007/10/02)
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