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6962-31-8

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6962-31-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6962-31-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,6 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6962-31:
(6*6)+(5*9)+(4*6)+(3*2)+(2*3)+(1*1)=118
118 % 10 = 8
So 6962-31-8 is a valid CAS Registry Number.

6962-31-8Relevant articles and documents

Cu-mediated one-pot three-component synthesis of 3-N-substituted 1,4,2-benzodithiazine 1,1-dioxide derivatives

Dong, Wei,Ge, Zemei,Wang, Xin,Li, Ridong,Li, Runtao

, (2020/07/03)

A novel and efficient copper-catalyzed one-pot procedure for the synthesis of 3-N-substituted 1,4,2-benzodithiazine 1,1-dioxide derivatives from 2-halobenzenesulfonamides, amines and CS2 is described. The reaction proceeds through Ullmann-type S-arylation, intramolecular addition of NH2 with C[dbnd]S and dehydrosulfide, which provides a new and useful strategy for construction of cyclic aromatic sulfonamides.

Cyclic ammonium salts of dithiocarbamic acid: stable alternative reagents for the synthesis of S-alkyl carbodithioates from organyl thiocyanates in water

Biswas, Kinkar,Ghosh, Sujit,Ghosh, Pranab,Basu, Basudeb

, p. 361 - 376 (2016/07/23)

ABSTRACT: Carbodithioate esters are important functional organosulfur compounds widely used in diverse fields such as pharmaceuticals, agrochemicals and material sciences. Common preparative methods include reaction of alkyl halides, carbon disulfide and bases under both metal-free and metal-catalyzed conditions. However, organyl thiocyanates have not been previously explored, possibly because of their conversion to organyl disulfides under basic conditions. Here, we report an efficient and practical method for the preparation of libraries of carbodithioate esters from organyl thiocyanates by reacting with cyclic amine-based dithiocarbamic acid salts in water. The protocol is found to be applicable in general to various thiocyanates such as benzyl/aroyl methyl/cinnamyl and so on. Other notable features include no by-products such as disulfides, metal- and alkali-free, aqueous conditions, and finally easy and near-quantitative formation of cyclic amine-based dithiocarbamic acid salt as a stable alternative reagent.

Radioprotective activity of new dithiocarbamic acid salts

Tarakhtii,Sidorova,Zhigal'skii,Chupakhin

, p. 15 - 19 (2007/10/03)

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