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1104899-89-9

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1104899-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1104899-89-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,4,8,9 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1104899-89:
(9*1)+(8*1)+(7*0)+(6*4)+(5*8)+(4*9)+(3*9)+(2*8)+(1*9)=169
169 % 10 = 9
So 1104899-89-9 is a valid CAS Registry Number.

1104899-89-9Upstream product

1104899-89-9Relevant 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.

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