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Z-D-Phe-Gly-OEt is a synthetic peptide compound consisting of three amino acids: Z-protected D-phenylalanine (Z-D-Phe), glycine (Gly), and a terminal ethyl ester (OEt) group. The Z-group (benzyloxycarbonyl) is a protecting group used in peptide synthesis to prevent unwanted side reactions, particularly during solid-phase peptide synthesis. D-phenylalanine is a non-natural, D-enantiomeric form of the naturally occurring L-phenylalanine, which is one of the 20 standard amino acids. Glycine is the simplest amino acid, with a single hydrogen atom as its side chain. The ethyl ester group at the C-terminus of the peptide serves as a protecting group, which can be removed under specific conditions to reveal the free carboxyl group. Z-D-Phe-Gly-OEt is often used as a building block in the synthesis of larger peptides and has potential applications in pharmaceutical research and drug development.

5845-45-4

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5845-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5845-45-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,4 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5845-45:
(6*5)+(5*8)+(4*4)+(3*5)+(2*4)+(1*5)=114
114 % 10 = 4
So 5845-45-4 is a valid CAS Registry Number.

5845-45-4Relevant academic research and scientific papers

An Improvment of the Anderson Test by the Use of High Performance Liquid Chromatography

Miyazawa, Toshifumi,Yamada, Takashi,Kuwata, Shigeru

, p. 606 - 608 (1988)

The replacement of the N-benzyloxycarbonyl (Z) group in the Anderson peptide (Z-Gly-L/D-Phe-Gly-OEt) by Z-L-Ala and the subsequent separation of the diastereomers of the resulting tetrapeptide by reversed-phase HPLC offer a more convenient version with higher accuracy to the original Anderson test for studying racemization in peptide synthesis.

HMDO-promoted peptide and protein synthesis in ionic liquids

Duan, Jianli,Sun, Yao,Chen, Hao,Qiu, Guofu,Zhou, Haibing,Tang, Ting,Deng, Zixin,Hong, Xuechuan

, p. 7013 - 7022 (2013/08/23)

Hexamethyldisiloxane (HMDO) has been developed to efficiently promote the metal-free direct coupling of an amino function of one cysteine-free peptide or protein and a C-terminal thioester of the second peptide in ionic liquids. The amide-coupling reaction proceeds smoothly under mild conditions to afford the corresponding products in good to excellent yields (63-94%). Peptide couplings were also achieved using in-situ-generated thioesters by the thioesterification of oxo esters.

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