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Cbz-alanylglycylglycyl hydrazide is a chemical compound with the molecular formula C18H24N4O5. It is a derivative of a peptide, specifically a tripeptide, where the amino acids alanine and glycine are linked together in a sequence of two glycines followed by an alanine. The "Cbz" prefix stands for carbobenzyloxy, which is a protecting group used in peptide synthesis to prevent unwanted side reactions. The hydrazide group is present at the end of the peptide sequence, which can be used for further chemical modifications or as a reactive group for coupling with other molecules. Cbz-alanylglycylglycyl hydrazide is often used in the synthesis of larger peptides and proteins, as the protecting groups can be selectively removed to reveal the free amino or carboxyl groups necessary for peptide bond formation.

3057-56-5

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3057-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3057-56-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,5 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3057-56:
(6*3)+(5*0)+(4*5)+(3*7)+(2*5)+(1*6)=75
75 % 10 = 5
So 3057-56-5 is a valid CAS Registry Number.

3057-56-5Downstream Products

3057-56-5Relevant academic research and scientific papers

New system for peptide synthesis using N-acylpyrazoles

Kashima, Choji,Tsuruoka, Shiro,Mizuhara, Saori

, p. 413 - 424 (2007/10/03)

New system of peptide synthesis was described. The extension of one amino acid unit on the peptide chain was constituted from only 2 reaction steps, the conversion from esters to the corresponding N-acylpyrazoles and the subsequent aminolysis with amino esters. This new system was distinctive from the conventional peptide synthesis, which was consisted of 3 steps of the deprotection, the activation and the condensation. Moreover, the key intermediate N-acylpyrazoles exhibited the excellent properties of high sensitivity and separability for the chiral column on HPLC using the UV detector.

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