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(E)-4-[(2R,3S,4aR,6S,8S,8aS)-8-Benzyloxy-3-(tert-butyl-dimethyl-silanyloxy)-6-(tert-butyl-diphenyl-silanyloxymethyl)-octahydro-pyrano[3,2-b]pyran-2-yl]-but-2-en-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221380-98-9

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221380-98-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221380-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,8 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 221380-98:
(8*2)+(7*2)+(6*1)+(5*3)+(4*8)+(3*0)+(2*9)+(1*8)=109
109 % 10 = 9
So 221380-98-9 is a valid CAS Registry Number.

221380-98-9Upstream product

221380-98-9Downstream Products

221380-98-9Relevant academic research and scientific papers

Total synthesis of brevetoxin A: Part 3: Construction of GHIJ and BCDE ring systems

Nicolaou,Shi, Guo-Qiang,Gunzner, Janet L.,Gaertner, Peter,Wallace, Paul A.,Ouellette, Michael A.,Shi, Shuhao,Bunnage, Mark E.,Agrios, Konstantinos A.,Veale, Chris A.,Hwang, Chan-Kou,Hutchinson, John,Prasad,Ogilvie, William W.,Yang, Zhen

, p. 628 - 645 (2007/10/03)

Successful syntheses of highly complex intermediates 2 (GHIJ ring system) and 3 (BCDE ring system) for the total synthesis of brevetoxin A (1) are described. Several of our methodologies were utilized to achieve this goal: i) hydroxy epoxide cyclizations

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