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L-Phenylalanine, N-[N-[(phenylmethoxy)carbonyl]-L-a-aspartyl]-, 4-methyl 1-(phenylmethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22839-68-5

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22839-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22839-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,3 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22839-68:
(7*2)+(6*2)+(5*8)+(4*3)+(3*9)+(2*6)+(1*8)=125
125 % 10 = 5
So 22839-68-5 is a valid CAS Registry Number.

22839-68-5Relevant academic research and scientific papers

ENZYMATIC SYNTHESIS OF ASPARTYL-CONTAINING DIPEPTIDES

Adisson, Laurence,Bolte, Jean,Demuynck, Colette,Mani, Jean-Claude

, p. 2185 - 2192 (2007/10/02)

We show that the ability of thermolysin to catalyze the coupling of aspartyl residue with other aminoacids is restricted to phenylalanine.Esterification of the two carboxylic groups of N-protected aspartic acid allows chymotrypsin and papain to catalyze the desired synthesis.

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