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bis[1,2-bis(diphenylphosphino)ethane]bromomethyldiazenidotungsten(II) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

56178-17-7

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56178-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56178-17-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,7 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 56178-17:
(7*5)+(6*6)+(5*1)+(4*7)+(3*8)+(2*1)+(1*7)=137
137 % 10 = 7
So 56178-17-7 is a valid CAS Registry Number.

56178-17-7Upstream product

56178-17-7Relevant academic research and scientific papers

THE FORMATION OF DIAZOALKANE AND DIAZENIDO-COMPLEXES FROM THE REACTION OF METHYL BROMIDE WITH trans-BISBIS(DINITROGEN)TUNGSTEN IN VARIOUS SOLVENTS

Chatt, Joseph,Head, Robert A.,Leigh, Jeffery G.

, p. 1129 - 1134 (1980)

The reaction of trans- with MeBr in solvents such as tetrahydrofuran, 2-methyltetrahydrofuran, and tetrahydropyran leads to new diazenido-complexes via a route which is now well understood.These new complexes undergo reversible ring opening with protic acids to yield substituted-diazoalkane complexes.N-Methylpyrrolidine and tetrahydrothiophen similarly form diazenido-derivatives, which react with acids to form hydrazido(2-)-compounds and do not undergo ring opening.

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