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773868-40-9

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773868-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 773868-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,3,8,6 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 773868-40:
(8*7)+(7*7)+(6*3)+(5*8)+(4*6)+(3*8)+(2*4)+(1*0)=219
219 % 10 = 9
So 773868-40-9 is a valid CAS Registry Number.

773868-40-9Relevant articles and documents

Steric hindrance effects in tripodal ligands for extraction and back-extraction of Ag+

Hiruta, Yuki,Watanabe, Takafumi,Nakamura, Etsuko,Iwasawa, Naoko,Sato, Hiroyasu,Hamada, Kensaku,Citterio, Daniel,Suzuki, Koji

, p. 9791 - 9798 (2014/03/21)

A novel series of tripodal ligands with thiophenylether arms connected to an anchoring nitrogen has been investigated. Seven tripodal ligands were synthesized by combining methyl, isopropyl, and tert-butyl residue bearing thiophenylether sites as groups w

Nickel-catalysed Substitutions of Aryl tert-Butyl Sulfones with Organometallic Reagents: Synthesis of ortho-Substituted Unsymmetrical Biaryls

Clayden, Jonathan,Cooney, J. Jonathan A.,Julia, Marc

, p. 7 - 14 (2007/10/02)

In the presence of a catalytic amount of a nickel salt, aryl tert-butyl sulfones react with aryl Grignard reagents to give biaryls.This reaction is used in conjunction with the powerful ortho-lithiation-directing ability of aryl tert-butyl sulfonyl groups to make unsymmetrical ortho-substituted biaryls.In certain cases, the substitution of an aryl alkylsulfonyl group by an organometallic reagent is possible without a transition metal catalyst.

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