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40134-72-3

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40134-72-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40134-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,1,3 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40134-72:
(7*4)+(6*0)+(5*1)+(4*3)+(3*4)+(2*7)+(1*2)=73
73 % 10 = 3
So 40134-72-3 is a valid CAS Registry Number.

40134-72-3Downstream Products

40134-72-3Relevant articles and documents

Regioselective Hydrosilylation of Olefins Catalyzed by a Molecular Calcium Hydride Cation

Schuhknecht, Danny,Spaniol, Thomas P.,Maron, Laurent,Okuda, Jun

, p. 310 - 314 (2020)

Chemo- and regioselectivity are often difficult to control during olefin hydrosilylation catalyzed by d- and f-block metal complexes. The cationic hydride of calcium [CaH]+ stabilized by an NNNN macrocycle was found to catalyze the regioselective hydrosilylation of aliphatic olefins to give anti-Markovnikov products, while aryl-substituted olefins were hydrosilyated with Markovnikov regioselectivity. Ethylene was efficiently hydrosilylated by primary and secondary hydrosilanes to give di- and monoethylated silanes. Aliphatic hydrosilanes were preferred over other commonly employed hydrosilanes: Arylsilanes such as PhSiH3 underwent scrambling reactions promoted by the nucleophilic hydride, while alkoxy- and siloxy-substituted hydrosilanes gave isolable alkoxy and siloxy calcium derivatives.

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