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14539-76-5

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14539-76-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 14539-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,5,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 14539-76:
(7*1)+(6*4)+(5*5)+(4*3)+(3*9)+(2*7)+(1*6)=115
115 % 10 = 5
So 14539-76-5 is a valid CAS Registry Number.

14539-76-5Relevant articles and documents

Chirality transfer through sulfur or selenium to chiral propellers

Skowronek, Pawel,cianowski, Jacek,Pacula, Agata J.,Gawroski, Jacek

, p. 69441 - 69444 (2015/09/01)

The mechanism of chirality transfer from a chiral alkyl substituent to a trityl moiety through sulfur or selenium atoms is analysed and discussed on the basis of ECD measurements, DFT structure and ECD spectra calculations. It is shown that the presence o

Practical synthesis of optically pure menthylamines starting from racemic neomenthol

Welschoff, Nina,Waldvogel, Siegfried R.

scheme or table, p. 3596 - 3601 (2010/12/19)

A reliable and scalable route to racemic and highly enantiomerically enriched menthylamines exploits the technical product rac-neomenthol as the starting material. The elaborated protocol is based on nucleophilic substitution of the hydroxy moiety by azide. Subsequent reduction and resolution with tartaric acid provides the desired optically enriched menthylamines.

Syntheses and reactions of new optically active terpene dialkyl diselenides

Scianowski, Jacek,Rafinski, Zbigniew,Wojtczak, Andrzej

, p. 3216 - 3225 (2007/10/03)

The reaction of sodium diselenide with optically active alkyl tosylates or chlorides is found to be a useful method for the synthesis of optically active dialkyl diselenides. Optically active monoterpene diselenides derived from menthane, carane, pinane,

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