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(S)-3-(N'-tert-Butoxycarbonyl-hydrazinocarbonyl)-2-{(R)-2-[(9H-fluoren-9-ylmethoxycarbonyl)-methyl-amino]-propionyl}-tetrahydro-pyridazine-1-carboxylic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

201666-99-1

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201666-99-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201666-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,6,6 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 201666-99:
(8*2)+(7*0)+(6*1)+(5*6)+(4*6)+(3*6)+(2*9)+(1*9)=121
121 % 10 = 1
So 201666-99-1 is a valid CAS Registry Number.

201666-99-1Relevant academic research and scientific papers

Total synthesis of (+)-azinothricin and (+)-kettapeptin

Hale, Karl J.,Manaviazar, Soraya,George, Jonathan H.,Walters, Marcus A.,Dalby, Stephen M.

supporting information; experimental part, p. 733 - 736 (2009/09/30)

(Chemical Equation Presented) Asymmetric total syntheses of (+)-azinothricin and (+)-kettapeptin have been completed through a common new pathway that exploits a highly chemoselective coupling reaction between the fully elaborated cyclodepsipeptide 5 and the glycal activated esters 3 and 4 at the final stages of both respective syntheses.

Asymmetric total synthesis of antitumour antibiotic A83586C

Hale, Karl J.,Cai, Jiaqiang

, p. 2319 - 2320 (2007/10/03)

The first asymmetric total synthesis of antitumour antibiotic A83586C has been accomplished.

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