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815578-28-0

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815578-28-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 815578-28-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,5,5,7 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 815578-28:
(8*8)+(7*1)+(6*5)+(5*5)+(4*7)+(3*8)+(2*2)+(1*8)=190
190 % 10 = 0
So 815578-28-0 is a valid CAS Registry Number.

815578-28-0Downstream Products

815578-28-0Relevant articles and documents

Asymmetric synthesis of intermediates for otamixaban and premafloxacin by the chiral ligand-controlled asymmetric conjugate addition of a lithium amide

Sakai, Takeo,Kawamoto, Yoshito,Tomioka, Kiyoshi

, p. 4706 - 4709 (2007/10/03)

A chiral ligand-controlled conjugate addition reaction of lithium benzyl(trimethylsilyl)amide with tert-butyl enoates gave the corresponding lithium enolates that were then treated with electrophiles, giving anti-alkylation products with high ee up to 98%. The benzyl group on the amino nitrogen was removed by the oxidation of secondary amines to imines and subsequent transoximation to give 3-aminoalkanoates in good yields. The products are the possible key intermediates of otamixaban and premafloxacin.

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