881171-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881171-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,1,7 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 881171-42:
(8*8)+(7*8)+(6*1)+(5*1)+(4*7)+(3*1)+(2*4)+(1*2)=172
172 % 10 = 2
So 881171-42-2 is a valid CAS Registry Number.
881171-42-2Relevant articles and documents
Synthesis of naphthothiazolium salts from binol
Hara, Osamu,Nakamura, Taiju,Makino, Kazuishi,Hamada, Yasumasa
, p. 101 - 110 (2007/10/03)
Naphthothiazolium salts with axial chirality were prepared from (S)-BINOL through introduction of a thiol group in place of the hydroxyl group by the Newmann-Kwart rearrangement and construction of the thiazolium ring by treatment of the air-sensitive N-a