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Phosphonium, [(diphenylphosphino)methyl]diphenyl(3-phenyl-2-propynyl)-, bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137008-73-2

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137008-73-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137008-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,0 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137008-73:
(8*1)+(7*3)+(6*7)+(5*0)+(4*0)+(3*8)+(2*7)+(1*3)=112
112 % 10 = 2
So 137008-73-2 is a valid CAS Registry Number.

137008-73-2Relevant academic research and scientific papers

1λ5,3λ5-Diphosphole Derivatives from Bis(diphenylphosphino)methane and Propargyl Bromides

Schmidpeter, Alfred,Stocker, Johanna,Karaghiosoff, Konstantin

, p. 67 - 72 (2007/10/02)

The two title reagents 2 and 3 form a five-membered 1,3-diphosphole ring by nucleophilic interaction of the two phosphino groups of 2 with the methylene carbon atom and the adjacent acetylenic carbon atom of 3. (Phosphinomethyl)propargylphosphonium, dipho

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