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Z-Ala-Phe-ODppe, also known as N-benzyloxycarbonyl-L-alanine-L-phenylalanine-1,3-diphenyl-2-propyl ester, is a tripeptide derivative that serves as a valuable intermediate in the synthesis of various biologically active peptides and pharmaceuticals. It is characterized by the presence of a Z-group (benzyloxycarbonyl) protecting the N-terminus, an L-alanine residue, an L-phenylalanine residue, and a 1,3-diphenyl-2-propyl (ODppe) ester protecting the C-terminus. This specific combination of amino acids and protecting groups allows for controlled peptide synthesis, where the Z-group can be selectively removed under mild acidic conditions, and the ODppe group can be cleaved under basic conditions, facilitating the stepwise assembly of complex peptide structures. Z-Ala-Phe-ODppe is widely used in the field of peptide chemistry and drug development due to its stability, solubility, and ease of synthesis.

94835-21-9

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94835-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94835-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,8,3 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94835-21:
(7*9)+(6*4)+(5*8)+(4*3)+(3*5)+(2*2)+(1*1)=159
159 % 10 = 9
So 94835-21-9 is a valid CAS Registry Number.

94835-21-9Downstream Products

94835-21-9Relevant academic research and scientific papers

THE 2-(DIPHENYLPHOSPHINO)ETHYL GROUP (DPPE) AS A NEW CARBOXYL-PROTECTING GROUP IN PEPTIDE CHEMISTRY

Chantreux, Dominique,Gamet, Jean-Paul,Jacquier, Robert,Verducci, Jean

, p. 3087 - 3094 (2007/10/02)

The use of 2-(diphenylphosphino)ethyl group for carboxyl-protection of amino acids or peptides is described.This group is easily introduced by esterification using 2-(diphenylphosphino)ethanol in the presence of dicyclohexylcarbodiimide and 4-(dimethylamino)pyridine.These Dppe esters are stable under the standard conditions for peptide synthesis.Deprotection is carried out under mild conditions by quaternisation using methyl iodide followed by a β-elimination induced by fluoride ion or potassium carbonate.

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