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2-Phenyl-2,2'-(3H,3'H)-spirobi<1,3,2-benzoxazaphosphol> is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55983-44-3

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55983-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55983-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,8 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55983-44:
(7*5)+(6*5)+(5*9)+(4*8)+(3*3)+(2*4)+(1*4)=163
163 % 10 = 3
So 55983-44-3 is a valid CAS Registry Number.

55983-44-3Downstream Products

55983-44-3Relevant academic research and scientific papers

Five- and Six-Membered Cyclic Phosphonic Diamides, Thioester-amides and Spirobi

Neidlein, Richard,Buseck, Stephan

, p. 2520 - 2530 (2007/10/02)

By reaction of the 1,2-diaminobenzene derivatives 1a-d with the phosphonyl dichlorides 2a-g, the 1,3-dihydro-1,3,2-benzodiazaphosphol-2-ones 4a-q are obtained.The phosphonoyl dichlorides 2a-e, 2g, and 2h yield with naphthalene-1,8-diamines (5) the diazaph

Fluorophosphoranes as Lewis acids. The conditions of access to hexacoordinated neutral adducts via the intramolecular addition of an electrondonor

Robert, Dominique,Gawad, Hoda Abdel,Riess, Jean G.

, p. 511 - 516 (2007/10/02)

The possibility of obtaining bicyclic neutral hexacoordinated fluorophosphorus adduct of type 2 was investigated for R=F, Me, Ph and X=O, S, NH, NMe, NtBu NPh.Adduct 2g was formed predominantly only in the case where R=F and X=S.In all the othe

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