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(S)-3-[(E)-(R)-9-((2R,5S)-5-{(1S,4R)-1,4-Bis-methoxymethoxy-4-[(2R,5R)-5-((R)-1-methoxymethoxy-undecyl)-tetrahydro-furan-2-yl]-butyl}-tetrahydro-furan-2-yl)-2-(tert-butyl-diphenyl-silanyloxy)-non-5-enyl]-5-methyl-5H-furan-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

696642-13-4

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696642-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 696642-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,6,6,4 and 2 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 696642-13:
(8*6)+(7*9)+(6*6)+(5*6)+(4*4)+(3*2)+(2*1)+(1*3)=204
204 % 10 = 4
So 696642-13-4 is a valid CAS Registry Number.

696642-13-4Relevant academic research and scientific papers

Total Synthesis of the Nonadjacently Linked Bis-tetrahydrofuran Acetogenin Bullatanocin (Squamostatin C)

Zhu, Lei,Mootoo, David R.

, p. 3154 - 3157 (2007/10/03)

The total synthesis of the nonadjacently linked bis-THF acetogenin bullatanocin (squamostatin C) is described. The synthetic strategy is a modular one based on three components, two mono-THF alkenes and a butenolide precursor, and the olefin cross-metathesis and Wittig olefination as the segment-coupling reactions. The synthesis confirms the structure of the natural product, and its convergent design makes it especially attractive for analogue synthesis.

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