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24536-64-9

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24536-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24536-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,5,3 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24536-64:
(7*2)+(6*4)+(5*5)+(4*3)+(3*6)+(2*6)+(1*4)=109
109 % 10 = 9
So 24536-64-9 is a valid CAS Registry Number.

24536-64-9Relevant articles and documents

Catalyst- and solvent-free bisphosphinylation of isothiocyanates: A practical method for the synthesis of bisphosphinoylaminomethanes

Wen, Li-Rong,Sun, Yong-Xu,Zhang, Jin-Wei,Guo, Wei-Si,Li, Ming

supporting information, p. 125 - 129 (2018/01/17)

A general and convenient double addition of phosphine oxides to isothiocyanates is described. It is a practically useful protocol for the construction of bisphosphinoylaminomethanes. The reaction can be carried out smoothly under metal- and solvent-free c

Calcium-mediated hydrophosphorylation of organic isocyanates with diphenylphosphane oxide

Haerling, Stephan,Greiser, Julia,Al-Shboul, Tareq M. A.,Goerls, Helmar,Krieck, Sven,Westerhausen, Matthias

, p. 1264 - 1273 (2013/10/22)

The calcium-mediated addition of diphenylphosphane oxide to organic isocyanates and isothiocyanates yields N-alkyl and N-aryl substituted diphenylphosphorylformamides (E≤O, R≤iPr, tBu, cHex, Ph, C6H4-4-Br, C6H2-2,4,6-Me3, and Naph) and -thioformamides (E≤S, R≤iPr, cHex, Ph, and C6H4-4-Me), respectively, of the type Ph2P(O)-C(E)-N(H)R. All derivatives were characterized by IR and NMR spectroscopy as well as X-ray diffraction experiments. The wavenumbers of the N-H stretching modes are smaller for the thio analogues and N-aryl substituents. In the solid state all formamides and thioformamides form dimers by N-HO-P hydrogen bridges. The P-CCE bonds are significantly elongated compared with the P-CPh distances.

Thermolyses of α-phosphorylmethyl tetrazolyl sulfoxides in the presence of 2,3-dimethyl-1,3-butadiene and their reactions with several amines

Morita, Hiroyuki,Tashiro, Shintaro,Takeda, Masahiro,Fujimori, Ken,Yamada, Nobuhiko,Chanmiya Sheikh,Kawaguchi, Hiroyuki

, p. 3589 - 3595 (2008/09/20)

We have synthesized α-(phosphoryl)methyl tetrazolyl sulfoxides and examined the reactivities in the thermolyses and in the presence of several amines, such as aniline, benzylamine, piperidine, pyrrolidine, and morpholine. Thermolyses of the derivatives in the presence of 2,3-dimethyl-1,3-butadiene afforded 2-phosphoryl substituted 4,5-dimethyl-3,6-dihydro-2H-thiopyran S-oxide. In addition, novel phosphinecarbothioamides were obtained in the reaction of the derivatives with amines.

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