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57768-35-1

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57768-35-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57768-35-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 8 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57768-35:
(7*5)+(6*7)+(5*7)+(4*6)+(3*8)+(2*3)+(1*5)=171
171 % 10 = 1
So 57768-35-1 is a valid CAS Registry Number.

57768-35-1Relevant articles and documents

Do the electronic effects of sulfur indeed control the π-selectivity of γ-sulfenyl enones? An investigation

Yadav, Veejendra K.,Babu, K. Ganesh,Parvez, Masood

, p. 3866 - 3874 (2007/10/03)

The electronic effects of sulfur in γ-sulfenyl enones are not transmitted to the carbonyl carbon through the π bond as reported previously. The diastereoselectivity is rather controlled by a combination of several other factors. The steric effects arising

Transformation of Cyclic α-Phenylthio Aldehydes by Stereoselective Aldol Reactions and Phenylthio Migration into Spirocyclic Lactones and Ethers, and E-Allylic Alcohols with 1,4-Related Chiral Centres

Aggarwal, Varinder K.,Coldham, Lain,McIntyre, Sara,Warren, Stuart

, p. 451 - 460 (2007/10/02)

syn- and anti-Selective aldol reactions between enolates of propionate esters and three α-phenylthio cycloalkanecarbaldehydes give single diastereoisomers of phenylthio alcohols which rearrange in acid with 5-hydroxy or 5-CO2H participation to give spiroc

A novel synthesis of α-(phenylthio)aldehydes

Jansen, B. J. M.,Peperzak, R. M.,Groot, Ae. de

, p. 489 - 494 (2007/10/02)

Addition of methoxy(phenylthio)methyllithium to ketones, followed by rearrangement of the adducts, provides a new method for the preparation of α-(phenylthio)aldehydes.The rearrangement is stereospecific.

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