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(2R,4R,6R,7S)-4,6-Bis-benzyloxy-7-(2-benzyloxy-ethyl)-2-[(2R,4aR,6S,7R,9S,10aS)-7-(4-methoxy-benzyloxy)-9-methyl-2-phenyl-octahydro-1,3,5-trioxa-benzocycloocten-6-ylmethyl]-oxepan-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

669005-71-4

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669005-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669005-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,0,0 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 669005-71:
(8*6)+(7*6)+(6*9)+(5*0)+(4*0)+(3*5)+(2*7)+(1*1)=174
174 % 10 = 4
So 669005-71-4 is a valid CAS Registry Number.

669005-71-4Upstream product

669005-71-4Relevant academic research and scientific papers

Synthetic studies on ciguatoxin: A highly convergent synthesis of the GHIJKLM ring system based on b-alkyl suzuki coupling

Takakura, Hiroyuki,Noguchi, Katsuhiko,Sasaki, Makoto,Tachibana, Kazuo

, p. 1090 - 1093 (2007/10/03)

Access to polycyclic polyethers is facilitated by a synthetic strategy involving two-step B-alkyl Suzuki coupling reactions for the stereo-selective construction of the polyether skeleton. Thus, a convergent synthetic route to the heptacyclic GHIJKLM ring system 1 of ciguatoxin, a marine algal toxin implicated in ciguatera fish poisoning, was developed. Bn = benzyl.

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