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13153-92-9

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13153-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13153-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,5 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13153-92:
(7*1)+(6*3)+(5*1)+(4*5)+(3*3)+(2*9)+(1*2)=79
79 % 10 = 9
So 13153-92-9 is a valid CAS Registry Number.

13153-92-9Relevant articles and documents

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Michalski,J. et al.

, p. 1495 - 1497 (1970)

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A new, stereoselective interconversion of phosphinothio-phosphinoseleno compounds, reduction of phosphinoseleno derivatives and retro pishchimuka rearrangement based on methylthio- and methylselenophosphonium salts chemistry

Omelanczuk, Jan

, p. 8887 - 8898 (2007/10/02)

The interconversion of thiono- into seleno compounds was found to proceed with retention of the configuration at phosphorus and the mechanistic course of this process has been proposed. The isomerization reaction of phosphinothiolates into thiono-isomers via the phosphonium salts has been developed and considered as the "retro Pishchimuka" rearrangement.

Stereospecific Synthesis of Diastereoisomerically Pure (-)-(RP)-O-Mentyl Methylphenylphosphinite and Ethylphenylphosphinite: Key Intermediates in Synthesis of Chiral Tertiary Phosphines

Omelanczuk, Jan,Perlikowska, Wieslawa,Mikolajczyk, Marian

, p. 24 - 25 (2007/10/02)

The reaction of the diastereoisomerically pure (-)-(RP)-O-mentyl methylphenylphosphinite (9) and (-)-(RP)-O-mentyl ethylphenylphosphinite (2) with organolithium reagents has been found to give chiral tertiary phosphines (10) and (11) with a very high optical purity.

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