Date published: 2026-7-10

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L-Norarginine Dihydrochloride (CAS 14191-90-3)

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Alternate Names:
(2S)-2-Amino-4-[(aminoiminomethyl)amino]butanoic Acid Dihydrochloride; L-2-Amino-4-guanidinobutyric Acid Dihydrochloride; L-α-Amino-γ-guanidinobutyric Acid Dihydrochloride
CAS Number:
14191-90-3
Molecular Weight:
233.09
Molecular Formula:
C5H12N4O22HCl
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-Norarginine dihydrochloride is a chemical compound closely related to the amino acid arginine, but with a shorter side chain due to the absence of one methylene group. In biochemistry, L-Norarginine acts as an analogue of the amino acid arginine and has been used in research to study the role of arginine in biological systems, particularly in the context of nitric oxide (NO) synthesis. Arginine is a precursor to nitric oxide, a critical signaling molecule in many physiological processes. By interfering with arginine′s normal function, L-Norarginine can help elucidate the mechanisms by which nitric oxide synthase (NOS) enzymes produce NO from arginine.


L-Norarginine Dihydrochloride (CAS 14191-90-3) References

  1. Critical residue properties for potency and selectivity of α-Conotoxin RgIA towards α9α10 nicotinic acetylcholine receptors.  |  Huynh, PN., et al. 2020. Biochem Pharmacol. 181: 114124. PMID: 32593612
  2. Crystal structure of the α-ketoglutarate-dependent non-heme iron oxygenase CmnC in capreomycin biosynthesis and its engineering to catalyze hydroxylation of the substrate enantiomer.  |  Hsiao, YH., et al. 2022. Front Chem. 10: 1001311. PMID: 36176888

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

L-Norarginine Dihydrochloride, 5 mg

sc-478730
5 mg
$354.00

L-Norarginine Dihydrochloride, 50 mg

sc-478730A
50 mg
$1977.00