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141293-20-1

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141293-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141293-20-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,9 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 141293-20:
(8*1)+(7*4)+(6*1)+(5*2)+(4*9)+(3*3)+(2*2)+(1*0)=101
101 % 10 = 1
So 141293-20-1 is a valid CAS Registry Number.

141293-20-1Downstream Products

141293-20-1Relevant articles and documents

Asymmetric Synthesis of 4-Amino-2,3,4-trideoxyaldonic Acids: Novel GABA C-Glycoconjugates

Rassu, Gloria,Pinna, Luigi,Spanu, Pietro,Ulgheri, Fausta,Cornia, Mara,et al.

, p. 6489 - 6496 (1993)

Stereochemically defined 4-amino-2,3,4-trideoxyaldonic acids 4, representatives of a new progeny of C-glycosylated GABAs, have been synthesized from the readily available aldehydo precursors 1 in three steps and 60-75percent overall yields.The key reactio

General Approach to Hydroxylate α-Amino Acids Exploiting N-(tert-Butoxycarbonyl)-2-(tert-butyldimethylsiloxy)pyrrole

Rassu, Gloria,Zanardi, Franca,Cornia, Mara,Casiraghi, Giovanni

, p. 2431 - 2438 (2007/10/02)

Racemic β-hydroxy-α-amino acids 7a, 7b and 10 of either threo or erythro configuration have been efficiently synthesized from simple aldehydes, utilizing N-(tert-butoxycarbonyl)-2-(tert-butyl-dimethylsiloxy)pyrrole (TBDMSOP) as a glycine-anion equivalent.Similar methodology, employing readily available aldehydo sugar precursors, has been successfully applied to syntheses of enantiomerically pure polyhydroxylated α-amino acids 14a-14f possessing diverse constitution and chirality.

N-(tert-Butoxycarbonyl)-2-(tert-butyldimethylsiloxy)pyrrole: A Promising Compound for Synthesis of Chiral Nonracemic Hydroxylated Pyrrolidine Derivatives

Casiraghi, Giovanni,Rassu, Gloria,Spanu, Pietro,Pinna, Luigi

, p. 3760 - 3763 (2007/10/02)

N-t-Boc-2-(tert-butyldimethylsiloxy)pyrrole has been synthesized from pyrrole and used to prepare enantiomerically pure pyrrolinones 5, 6, 15, and 16 and polyhydroxylated pyrrolidinones of type 11 and 12.

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