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7,10-anhydro-2,3,5-tri-O-benzyl-11-bromo-4,6,8,11-tetradeoxy-4-C-(1'-formyl)-6-C-(1-methoxymethoxymethyl)-2,8,10-tri-C-methyl-D-(or L-)glycero-L-talo-L-altro-1',1-pyranose-undecitol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128041-97-4

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  • 7,10-anhydro-2,3,5-tri-O-benzyl-11-bromo-4,6,8,11-tetradeoxy-4-C-(1'-formyl)-6-C-(1-methoxymethoxymethyl)-2,8,10-tri-C-methyl-D-(or L-)glycero-L-talo-L-altro-1',1-pyranose-undecitol

    Cas No: 128041-97-4

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128041-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128041-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,4 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128041-97:
(8*1)+(7*2)+(6*8)+(5*0)+(4*4)+(3*1)+(2*9)+(1*7)=114
114 % 10 = 4
So 128041-97-4 is a valid CAS Registry Number.

128041-97-4Upstream product

128041-97-4Downstream Products

128041-97-4Relevant articles and documents

Support Studies for Formulating the Nine Contiguous Chiral Centres of Streptovaricin A Ansa Chain

Mootoo, David R.,Fraser-Reid, Bert

, p. 739 - 746 (2007/10/02)

The tripyranoside (1b), which had been previously prepared as a key intermediate for the synthesis of the streptovaricin A ansa chain, lacks synthons for the C-24-CO2Me and C-28 tertiary alcohol of the antibiotic .The 'upper' acetal ring of (1b) has been cleaved selectively, an exocyclic methylene is develeoped at C-6, and a hydroboration sequence has been used to install an axial hydroxymethyl group as the synthon for the CO2Me group.In order to provide a self-consistent means of structure verification, both epimers of the C-10 tertiary alcohol have been prepared by utilizing empirically determined strategies for acyclic stereoselection.

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