Date published: 2026-5-12

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L-Citrulline beta-naphthylamide hydrobromide (CAS 201988-71-8)

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Alternate Names:
L-Cit-βNA⋅HBr; (S)-2-Amino-5-ureidopentanoic acid β-aphthylamide hydrobromide; H-Cit-βNA⋅HBr
CAS Number:
201988-71-8
Molecular Weight:
381.43
Molecular Formula:
C16H20N4O2•HBr
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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L-Citrulline beta-naphthylamide hydrobromide is a chemical compound derived from L-citrulline, an amino acid involved in the urea cycle and nitric oxide production. The compound is often used in biochemical research and enzyme assays, particularly for the determination of protease activity. It serves as a substrate for various proteases, such as trypsin-like enzymes, which can cleave the beta-naphthylamide moiety from L-citrulline, resulting in the release of a yellow-colored product. Researchers and scientists utilize L-Citrulline beta-naphthylamide hydrobromide in enzymatic assays to measure protease activity, investigate enzyme kinetics, or screen for potential protease inhibitors.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Citrulline beta-naphthylamide hydrobromide, 50 mg

sc-286071
50 mg
$281.00

L-Citrulline beta-naphthylamide hydrobromide, 250 mg

sc-286071A
250 mg
$1457.00