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143850-71-9

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143850-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143850-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,5 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143850-71:
(8*1)+(7*4)+(6*3)+(5*8)+(4*5)+(3*0)+(2*7)+(1*1)=129
129 % 10 = 9
So 143850-71-9 is a valid CAS Registry Number.

143850-71-9Downstream Products

143850-71-9Relevant articles and documents

An efficient process for the synthesis of gem-dinitro compounds under high steric hindrance by nitrosation and oxidation of secondary nitroalkanes

Zhang, Jian,Hou, Tianjiao,Ling, Yifei,Zhang, Lin,Luo, Jun

supporting information, p. 2880 - 2883 (2018/06/25)

A new nitrosation and oxidation process to synthesize gem-dinitro compounds was accomplished by using nitryl chloride as nitrosation reagent and ozone as oxidizing agent. The main features of the present protocol include the compatibility to substances with high steric hindrance, high yields and mild reaction conditions. A plausible mechanism involving the formation of an intermediate of gem-nitrosonitro compound by means of single electron transfer was also proposed.

The Synthesis and Complete 1H and 13C NMR Spectral Assignment of 2,2,4,4,6,6-Hexanitroadamantane and its Precursor Nitroketones by 2D NMR Spectroscopy

Dave, Paritosh R.,Bracuti, Arthur,Axenrod, Theodore,Liang, Boming

, p. 5839 - 5846 (2007/10/02)

The synthesis of 2,2,4,4,6,6-hexanitroadamantane from the precursors 4,4,6,6-tetranitroadamantan-2-one and 4,4-dinitroadamantane-2,6-dione is reported.The complete 1H and 13C NMR assignment of these compounds by 2D 13C-1H shift correlated spectra. 1H-1H COSY spectra and 1H-1H NOESY spectra is described.

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