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(S)-3-((S)-2-tert-Butoxycarbonylamino-3-phenyl-propionylamino)-5-chloro-4-oxo-pentanoic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

185543-01-5

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185543-01-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 185543-01-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,5,4 and 3 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 185543-01:
(8*1)+(7*8)+(6*5)+(5*5)+(4*4)+(3*3)+(2*0)+(1*1)=145
145 % 10 = 5
So 185543-01-5 is a valid CAS Registry Number.

185543-01-5Relevant academic research and scientific papers

Amino acids and peptides. XLVI. Introduction of carboxyl function into pyrazinone by using newly developed procedure for pyrazinone ring formation: Observation of immediate decarboxylation

Taguchi, Hiroaki,Yokoi, Toshio,Okada, Yoshio

, p. 2037 - 2041 (2007/10/03)

The carboxyl function was easily introduced into a pyrazinone ring by means of a newly developed procedure for pyrazinone ring formation from Asp- or Glu-containing dipeptidyl chloromethyl ketones: during the reaction, rapid decarboxylation from a carboxy

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