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70841-00-8

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70841-00-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70841-00-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,8,4 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70841-00:
(7*7)+(6*0)+(5*8)+(4*4)+(3*1)+(2*0)+(1*0)=108
108 % 10 = 8
So 70841-00-8 is a valid CAS Registry Number.

70841-00-8Relevant articles and documents

Stannyl-Lithium: A Facile and Efficient Synthesis Facilitating Further Applications

Wang, Dong-Yu,Wang, Chao,Uchiyama, Masanobu

, p. 10488 - 10491 (2015)

We have developed a highly efficient, practical, polycyclic aromatic hydrocarbon (PAH)-catalyzed synthesis of stannyl lithium (Sn-Li), in which the tin resource (stannyl chloride or distannyl) is rapidly and quantitatively transformed into Sn-Li reagent at room temperature without formation of any (toxic) byproducts. The resulting Sn-Li reagent can be stored at ambient temperature for months and shows high reactivity toward various substrates, with quantitative atom efficiency.

A convenient quick synthesis of SnBu2RCl derivatives

Carrera, Nora,Monica,Perez-Temprano,Albeniz, Ana C.,Casares, Juan A.,Espinet, Pablo

, p. 3957 - 3958 (2009/12/08)

A convenient method for the quick preparation of SnBu2RX (Bu = n-Bu) has been developed using microwave irradiation and column chromatography in acidic alumina. The method can be a good alternative particularly for easy and quick preparation of

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