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61666-77-1

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61666-77-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61666-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,6 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 61666-77:
(7*6)+(6*1)+(5*6)+(4*6)+(3*6)+(2*7)+(1*7)=141
141 % 10 = 1
So 61666-77-1 is a valid CAS Registry Number.

61666-77-1Downstream Products

61666-77-1Relevant articles and documents

Enhanced Reactivity of Chelating Ortho Esters and Dithio-Ortho Esters Towards Grignard Reagents

Houghton, Roy P.,Dunlop, Jane E.

, p. 2387 - 2400 (2007/10/02)

2-Alkoxy-1,3-dithianes, 2-alkoxy-1,3-benzdithioles and bis(2-alkoxy-1,3-dioxolanes) react substantially faster with phenylmagnesium bromide and phenylethynylmagnesium bromide when the 2-alkoxy group can act as a chelating system for magnesium(II).

Oxidations with Lead Tetraacetate. IV. Oxidations of 1,3-Benzodithioles

Aromdee, Chantana,Cole, Edward R.,Crank, George

, p. 2499 - 2509 (2007/10/02)

Oxidations of 2,2-dialkyl and spiro with lead tetraacetate gave mainly sulfoxides and disulfoxides.The stereochemistry of these products was elucidated by n.m.r. spectroscopy.Oxidation of 2-methyl-2-aryl derivatives gave sulfoxides as minor products; here the main products were derived from attack on the methyl group forming acetoxy, diacetoxy, formyl and carboxylic acid derivatives and ring cleavage products. 2,2-Diaryl derivatives also formed small amounts of sulfoxides but ring cleavage products were predominant.Monosubstituted benzodithioles were very reactive and produced a variety of oxidation products, mostly unidentified.

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