Cas 136863-20-2,1-tert-Butyl-3-(1,1-diethylpropyl)-2-phenyldiazaphosphiridin-3-oxid

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Check Digit Verification of cas no

The CAS Registry Mumber 136863-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,8,6 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 136863-20:
(8*1)+(7*3)+(6*6)+(5*8)+(4*6)+(3*3)+(2*2)+(1*0)=142
142 % 10 = 2
So 136863-20-2 is a valid CAS Registry Number.

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136863-20-2Relevant academic research and scientific papers

Synthesis, Structure, and Isomerization of Diazaphosphoridine Oxides

Niecke, Edgar,Link, Manfred,Nieger, Martin

, p. 93 - 96 (2007/10/02)

The 1,2-Bis(alkyl)iminophosphane, Et3C-P=N-tBu (1), reacts with nitroso compounds, RNO (R = tBu, Ph), to form the diazaphosphoridine oxides, , 4a, b.While 4a (R = tBu) is thermally stable, 4b (R = Ph) isomerizes with formation of the benzodiazaphosphole oxide (5).The corresponding phospholimine (7) has been obtained from 1 and azobenzene.The three-membered phosphorus heterocycle 4a has been characterized by X-ray structure analysis, which reveales some remarkable features. Key Words: Diazaphosphiridine oxides

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