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105908-31-4

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105908-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105908-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 105908-31:
(8*1)+(7*0)+(6*5)+(5*9)+(4*0)+(3*8)+(2*3)+(1*1)=114
114 % 10 = 4
So 105908-31-4 is a valid CAS Registry Number.

105908-31-4Upstream product

105908-31-4Downstream Products

105908-31-4Relevant articles and documents

Intramolecular cyclization reactions of unsaturated amino Fischer chromium carbenes forming indoles and quinolines

S?derberg, Bj?rn C. G.,Shriver, James A.,Cooper, Seth H.,Shrout, Timothy L.,Helton, E. Scott,Austin, Lucinda R.,Odens, Herman H.,Hearn, Brian R.,Jones, Paula C.,Kouadio, Tiara N.,Ngi, Tan H.,Baswell, Rachel,Caprara, H. John,Meritt, Mark D.,Mai, Than T.

, p. 8775 - 8791 (2007/10/03)

A thermally induced intramolecular annulation reaction of N-(2-alkenylphenyl)amino substituted Fischer chromium carbenes has been extensively examined. The carbene complexes were prepared in moderate to good yields by reaction of 2-aminostyrenes with intermediately formed acyloxy substituted carbenes. Upon heating, the thermally labile carbenes decomposed producing indoles and quinolines as the major products. The product distribution was found to be highly dependent on the substitution pattern and electronic properties of the starting material, and on the solvent used.

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