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1422039-12-0

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1422039-12-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422039-12-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,0,3 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1422039-12:
(9*1)+(8*4)+(7*2)+(6*2)+(5*0)+(4*3)+(3*9)+(2*1)+(1*2)=110
110 % 10 = 0
So 1422039-12-0 is a valid CAS Registry Number.

1422039-12-0Relevant articles and documents

Copper-Catalyzed Coupling of Acyl Chlorides with gem-Difluorinated Organozinc Reagents via Acyl Dithiocarbamates

Ashirbaev, Salavat S.,Levin, Vitalij V.,Struchkova, Marina I.,Dilman, Alexander D.

, p. 478 - 483 (2018)

A cross-coupling of acyl chlorides with gem-difluorinated organozinc reagents affording difluorinated ketones is described. In the reaction, acyl chlorides are first treated with potassium dithiocarbamate to generate S-acyl dithiocarbamates, which couple with organozincs in the presence of a copper(I) catalyst.

Reactions of 1,1-difluoroalkylzinc halides with chlorinating reagents

Smirnov,Maslov,Levin,Struchkova,Dilman

, p. 2564 - 2566 (2014)

Compounds bearing chlorodifluoromethyl group can be assembled from organozinc chlorides, (chlorodifluoromethyl)trimethylsilane (Me3SiCF2Cl), and sulfuryl chloride as a chlorine source. Reactions of 1,1-difluoro-substituted organozinc bromides (RCF2ZnBr) with different chlorinating reagents lead to predominant or partial formation of the products bearing bromodifluoromethyl group.

Coupling of gem-difluorinated organozinc reagents with S-electrophiles

Ashirbaev, Salavat S.,Levin, Vitalij V.,Struchkova, Marina I.,Dilman, Alexander D.

, p. 143 - 148 (2016/10/24)

gem-Difluorinated organozinc reagents, which were prepared by insertion of CF2-fragment into C[sbnd]Zn bond, couple with diethyl dixanthogen, di(benzothiazolyl) disulfide, and tetraethylthiuram disulfide. The reaction is promoted either by a copper(I) catalyst or by irradiation with blue light in the presence of Eosin Y disodium salt.

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