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methyl (4R,7S,8S,11S,14E,16Z,20S)-20-(tert-butyl(diphenyl)silyloxy)-4,8-dimethyl-9-oxo-2,7,11-tri-(p-methoxybenzyloxy)-unicosa-14,16-dienoate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

668461-38-9

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668461-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 668461-38-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,8,4,6 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 668461-38:
(8*6)+(7*6)+(6*8)+(5*4)+(4*6)+(3*1)+(2*3)+(1*8)=199
199 % 10 = 9
So 668461-38-9 is a valid CAS Registry Number.

668461-38-9Relevant academic research and scientific papers

Total Synthesis of the Boron-Containing Ion Carrier Antibiotic Macrodiolide Tartrolon B

Mulzer, Johann,Berger, Markus

, p. 891 - 898 (2007/10/03)

The first total synthesis of the boron-containing macrodiolide antibiotic tartrolon B is reported in full detail. Two convergent approaches to the target compound are described, the first of which eventually failed, due to sensitive functionality. In the

Studies directed towards the total synthesis of the antibiotic macrodiolide tartrolon: EPC synthesis of the protected seco acid

Mulzer, Johann,Berger, Markus

, p. 803 - 806 (2007/10/03)

An efficient synthesis of the protected seco acid 2 of the antibiotic macrodiolide tartrolon 1 is described. Key steps are a substrate controlled aldol-reaction, a Johnson-Claisen rearrangement, and a Horner-Wadsworth-Emmons olefination with subsequent Co

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