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180071-29-8

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180071-29-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180071-29-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,0,7 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 180071-29:
(8*1)+(7*8)+(6*0)+(5*0)+(4*7)+(3*1)+(2*2)+(1*9)=108
108 % 10 = 8
So 180071-29-8 is a valid CAS Registry Number.

180071-29-8Downstream Products

180071-29-8Relevant articles and documents

Tin for organic synthesis. Part 15 : The use of 1,2-bis(trimethylstannyl) -1-alkenes in electrophilic destannylation reactions

Niestroj, Michael,Neumann, Wilhelm P.,Mitchell, Terence N.

, p. 45 - 68 (2007/10/03)

Z-1,2-Bis(trimethylstannyl)-1-alkenes show different types of reaction behaviour towards various electrophiles. p-Tolysulphonyliso-cyanate forms five-membered tin-nitrogen-containing heterocycles. 1,1-Dichloromethylmethyl ether reacts with carbofunctionalised distannylalkenes to yield α,β-unsaturated aldehydes, which are useful tools for the synthesis of further substituted vinylstannanes. Z-1,2-Bis(trimethylstannyl)- 1-alkenes containing heteroatoms such as O or N undergo only protodestannylation with this electrophile. The reaction of Z-1,2-bis (trimethylstannyl)-1-alkenes with trimethylsilyl chlorosulphonate followed by hydrolysis with aqueous NaHCO3 provides the corresponding sodium sulphonates. SO2 and SO3 undergo insertion into both tin-carbon bonds in an ipso- and stereospecific manner to form bis-sulphinic- or bis-sulphonic bis(trialkylstannyl) esters.

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