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91028-46-5

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91028-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91028-46-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,2 and 8 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 91028-46:
(7*9)+(6*1)+(5*0)+(4*2)+(3*8)+(2*4)+(1*6)=115
115 % 10 = 5
So 91028-46-5 is a valid CAS Registry Number.

91028-46-5Relevant articles and documents

Catalytic enantioselective synthesis of 4-vinyl-2-trichloromethyloxazoline: An access to enantioenriched vinylglycinol surrogate

Maleckis, Ansis,Klimovica, Kristine,Jirgensons, Aigars

, p. 7897 - 7900 (2010)

Cationic Pd(II) catalysts generated from chiral biphenyl diphosphine complexes or from COP-Cl promote enantioselective cyclization of E- and Z-configured allylic bis-trichloroacetimidates to highly enantioenriched 2-trichloromethyl-4-vinyloxazoline. This

An efficient and scalable synthesis of N-(benzyloxycarbonyl)- and N-(methyloxycarbonyl)-(S)-vinylglycinol

Lumbroso, Alexandre,Coeffard, Vincent,Le Grognec, Erwan,Beaudet, Isabelle,Quintard, Jean-Paul

supporting information; experimental part, p. 3226 - 3228 (2010/08/19)

An efficient and scalable synthesis of N-(benzyloxycarbonyl)- and N-(methyloxycarbonyl)-(S)-vinylglycinol has been reported starting from the commercially available (l)-methionine. The scale-up preparation consisted of 5 steps and delivered up to 50 g of the desired N-protected β-amino alcohols in 32% and 36% overall yields.

SYNTHESIS OF CHROMANONES

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Page 51, (2008/06/13)

Processes for the preparation of biologically active chromanones are disclosed, including processes for the preparation of intermediates useful in the preparation of the biologically active chromanones. The chromanones and the intermediates disclosed herein may be useful for a variety of therapies, including the treatment of various cancers and the treatment of inflammation and inflammation related disorders.

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