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"Z-Orn(Msc)-Trp-NH-CH3" is a peptide compound consisting of four amino acids: Z-Ornithine (Orn), Methionine sulfone (Msc), Tryptophan (Trp), and a terminal amino group (NH) attached to an ethyl group (CH3). This sequence is protected by a carbobenzyloxy (Z) group on the Ornithine, which is a common protecting group in peptide synthesis to prevent unwanted side reactions. The Msc is a modified form of Methionine, where the sulfur atom is replaced by a sulfonyl group. The peptide is terminated with an ethylamine group, which is less common than a carboxyl group and may be used for specific functional purposes. This particular sequence and structure suggest it could be a component of a larger peptide or protein, or used in research to study the effects of specific amino acid sequences and modifications.

77549-21-4

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77549-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77549-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,4 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77549-21:
(7*7)+(6*7)+(5*5)+(4*4)+(3*9)+(2*2)+(1*1)=164
164 % 10 = 4
So 77549-21-4 is a valid CAS Registry Number.

77549-21-4Downstream Products

77549-21-4Relevant academic research and scientific papers

Enzymatic synthesis of a peptide bond between a tryptic fragment of horse heart cytochrome c and a synthetic model peptide

Westerhuis, L. W.,Tesser, G. I.,Nivard, R. J. F.

, p. 400 - 403 (2007/10/02)

As a model study for the usefulness of the synthetic action of a proteinase in the semisynthesis of large polypeptides, a heme peptide, comprising the residues 1-38 of horse heart cytochrome-c and bearing protective functions on the ε-amino groups, was in

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