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((1S,2S)-2-Methyl-1-{(S)-1-[1-methyl-1-(methyl-phenyl-carbamoyl)-ethylcarbamoyl]-ethylcarbamoyl}-butyl)-carbamic acid benzyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

212070-52-5

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212070-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212070-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,0,7 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 212070-52:
(8*2)+(7*1)+(6*2)+(5*0)+(4*7)+(3*0)+(2*5)+(1*2)=75
75 % 10 = 5
So 212070-52-5 is a valid CAS Registry Number.

212070-52-5Relevant academic research and scientific papers

Synthesis of the endothiopeptide BOC-Trp-Ile-Ala-Aib-Ile- ValΨ[CSNH]Aib-Leu-Aib-Pro-OMe by a variation of the 'azirine/oxazolone method'

Lehmann, Juerg,Linden, Anthony,Heimgartner, Heinz

, p. 8721 - 8736 (1998)

The synthesis of the decaendothiopeptide BOC-Trp-Ile-Ala-Aib-Ile- ValΨ[CSNH]Aib-Leu-Aib-Pro-OMe is described. The introduction of the thioamide group next to the bulky Aib occurred via a variation of the 'azirine/oxazolone method' without epimerisation. The structure of the decaendothiopeptide was established by single-crystal X-ray crystallography, thereby two types of helices could be observed.

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