105259-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105259-54-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,2,5 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 105259-54:
(8*1)+(7*0)+(6*5)+(5*2)+(4*5)+(3*9)+(2*5)+(1*4)=109
109 % 10 = 9
So 105259-54-9 is a valid CAS Registry Number.
105259-54-9Relevant articles and documents
A NOVEL NAPHTOQUINONE SYNTHESIS VIA TANDEM DIRECTED LITHIATIONS
Iwao, Masatomo,Kuraishi, Tsukasa
, p. 6213 - 6216 (1985)
A convenient one-pot synthesis of 1,4-naphtoquinones from tertiary benzamides has been devised using tandem directed lithiations.