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173439-74-2

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173439-74-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173439-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,3 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 173439-74:
(8*1)+(7*7)+(6*3)+(5*4)+(4*3)+(3*9)+(2*7)+(1*4)=152
152 % 10 = 2
So 173439-74-2 is a valid CAS Registry Number.

173439-74-2Relevant articles and documents

Synthesis of cis-vinyltrimethylstannanes and cis-vinylpinacolboronates in a two-step highly regio and stereoselective process

Mirzayans, Paul Malek,Pouwer, Rebecca H.,Williams, Craig M.,Bernhardt, Paul V.

experimental part, p. 8297 - 8305 (2009/12/24)

A highly efficient two-step regio and stereoselective method for the synthesis of both cis-vinyltrimethylstannanes and cis-vinylpinacolboronates is described. This method takes advantage of the known lithium/tellurium exchange pathway providing a versatil

Hydrozirconation of acetylenic chalcogenides. Synthesis and reactions of zirconated vinyl chalcogenide intermediates

Dabdoub, Miguel J.,Begnini, Mauro L.,Guerrero Jr., Palimecio G.

, p. 2371 - 2400 (2007/10/03)

Acetylenic tellurides react with Cp2Zr(H)Cl in THF at room temperature to give the α-zirconated vinyl telluride intermediates 39, which react with a wide range of electrophiles to give several types of trisubstituted olefins, such as α-halo vin

Total control on the synthesis of regio and stereoisomers of vinylic tellurides.

Dabdoub,Cassol

, p. 12971 - 12982 (2007/10/02)

Methodologies for the total control on the synthesis of E, Z or 1,1-dissubstituted vinylic tellurides are described. Tellurobutadienes bearing the butyltellurium moiety at carbon 2 or at carbon 1 with E or Z configuration at the tellurium containing doubl

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