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1234935-56-8

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1234935-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1234935-56-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,9,3 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1234935-56:
(9*1)+(8*2)+(7*3)+(6*4)+(5*9)+(4*3)+(3*5)+(2*5)+(1*6)=158
158 % 10 = 8
So 1234935-56-8 is a valid CAS Registry Number.

1234935-56-8Downstream Products

1234935-56-8Relevant articles and documents

Ligandless Regioselective Hydrosilylation of Allenes Catalyzed by Gold Nanoparticles

Kidonakis, Marios,Stratakis, Manolis

, p. 4538 - 4541 (2015/09/28)

The first example of Au-catalyzed hydrosilylation of allenes is presented using recyclable gold nanoparticles as catalyst, without the requirement of any external ligands or additives. The hydrosilane addition takes place on the more substituted double bond of terminal allenes in a highly regioselective manner. The observed regioselectivity/reactivity modes are attributed to steric and electronic factors.

Regioselective silylzincation of phenylallene derivatives

Yonehara, Mitsuhiro,Nakamura, Shinji,Muranaka, Atsuya,Uchiyama, Masanobu

supporting information; experimental part, p. 452 - 455 (2010/09/08)

This paper deals with our new approach for regio-controlled synthesis of exo/endo-vinylsilanes through silylzincation as a key reaction, using newly developed silylzinc reagents. In this system, by choosing appropriate zinc reagents, either exo-vinylsilane or endo-vinylsilane can be synthesized with good regioselectivity, using the same phenylallene substrates. (Chemical equation presented).

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