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161950-67-0

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161950-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161950-67-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,5 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 161950-67:
(8*1)+(7*6)+(6*1)+(5*9)+(4*5)+(3*0)+(2*6)+(1*7)=140
140 % 10 = 0
So 161950-67-0 is a valid CAS Registry Number.

161950-67-0Relevant articles and documents

Water Loss from Molecular Protonated Ions of Benzyl 2-Phenylether and Derivates

Kingston, Eric E.,Shannon, James S.,Lacey, Michael J.

, p. 30 - 35 (1987)

The skeletal rearrangement for water loss is the dominant reaction in the chemical ioinization mass spectrum of benzyl 2-phenylethyl ether.Isotopic distribution obtained for this reaction with specifically labelled derivates have been interpreted in terms of competing five- and six-centered skeletal rearrangements.Chemical substitution of the altermative aromatic rings strtongly influences the balance of the competition.

Palladium-promoted arylation of functionalised organolithium compounds via their zinc derivatives

Yus, Miguel,Gomis, Joaquin

, p. 1989 - 1995 (2007/10/03)

The reaction of different functionalised organolithium compounds 2, 5, 8, and 13 [easily prepared by DTBB-catalysed lithiation of isochromane (1), phthalane (4), 2,3-dihydrobenzofuran (7) and 1-chloro-3,3-diethoxypropane (12), respectively] with an equimo

Negishi cross-coupling with functionalised organozinc compounds prepared by lithium-zinc transmetallation

Yus, Miguel,Gomis, Joaquín

, p. 5721 - 5724 (2007/10/03)

The reaction of some functionalised organolithium compounds 2 (easily prepared by DTBB-catalysed lithiation of isochroman, phthalan and 2,3-dihydrobenzofuran) with an equimolecular amount of zinc bromide followed by reaction with an aryl or alkenyl bromide in the presence of a catalytic amount of Pd(PPh3)4 or Pd(PPh3)2(OAc)2 (5 mol%) under THF reflux overnight gave the expected cross-coupling compounds. These arylation or alkenylation processes, which work also with iodinated substrates, are not possible in the absence of the zinc or palladium compounds under the same reaction conditions.

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