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(S)-(+)-6-(N,N-dibenzylamino)-2,2-dimethyl-1,3-oxazepan-4-on-3-ylacetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221319-66-0

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221319-66-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221319-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,1 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221319-66:
(8*2)+(7*2)+(6*1)+(5*3)+(4*1)+(3*9)+(2*6)+(1*6)=100
100 % 10 = 0
So 221319-66-0 is a valid CAS Registry Number.

221319-66-0Relevant articles and documents

Ex-chiral pool synthesis of aminooxazepinones as conformationally restricted β-amino acid analogs

Michel, Dorothee,Waibel, Reiner,Gmeiner, Peter

, p. 365 - 372 (2007/10/03)

Starting from natural asparagine, an efficient synthesis of the dibenzyl protected 6-amino-1,3-oxazepin-4-one (7) is reported. According to NMR based conformational studies, the lactam-bridged β-amino acid analog (7) adopts preferentially a twisted boat s

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