Date published: 2025-11-23

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5-Amino-4-oxopentanoic acid benzyl ester hydrochloride (CAS 163271-32-7)

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Alternate Names:
5-Aminolevulinic acid benzyl ester hydrochloride
CAS Number:
163271-32-7
Molecular Weight:
257.71
Molecular Formula:
C12H15NO3•HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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5-Amino-4-oxopentanoic acid benzyl ester hydrochloride serves as a precursor for the synthesis of complex molecules, including peptides and peptidomimetics. The amino group allows for the formation of peptide bonds under suitable conditions, while the benzyl ester protects the carboxylic acid, preventing unwanted side reactions during the coupling process. This protective group can be removed under specific conditions after the desired peptide sequence has been assembled, revealing the free carboxylic acid for further functionalization or for the final product. The 4-oxo moiety introduces additional reactivity, offering opportunities for selective modifications and the introduction of functional groups that can alter the physical, chemical, and biological properties of the resulting compounds. This capability is in the design of molecules with specific actions, such as enzyme inhibitors and receptor ligands.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

5-Amino-4-oxopentanoic acid benzyl ester hydrochloride, 250 mg

sc-284534
250 mg
$184.00

5-Amino-4-oxopentanoic acid benzyl ester hydrochloride, 1 g

sc-284534A
1 g
$377.00