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Merck

N5501

Nω-Nitro-L-arginine

synthetic, ≥98% (TLC), Nitric oxide synthase inhibitor, powder

Synonym(s):

L-NNA, N5-(Nitroamidino)-L-2,5-diaminopentanoic acid, NG-NO2-L-Arg

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About This Item

Empirical Formula (Hill Notation):
C6H13N5O4
CAS Number:
2149-70-4
Molecular Weight:
219.20
NACRES:
NA.77
PubChem Substance ID:
24278010
UNSPSC Code:
12352209
EC Number:
218-418-9
MDL number:
MFCD00007033
Beilstein/REAXYS Number:
1728914

Product Name

Nω-Nitro-L-arginine, ≥98% (TLC)

SMILES string

N[C@@H](CCCNC(=N)N[N+]([O-])=O)C(O)=O

InChI key

MRAUNPAHJZDYCK-BYPYZUCNSA-N

InChI

1S/C6H13N5O4/c7-4(5(12)13)2-1-3-9-6(8)10-11(14)15/h4H,1-3,7H2,(H,12,13)(H3,8,9,10)/t4-/m0/s1

biological source

synthetic

assay

≥98% (TLC)

form

powder

mp

257 °C

solubility

1 M HCl: 50 mg/mL, clear, colorless to faintly yellow

Quality Level

200

Gene Information

human ... NOS1(4842), NOS2(4843), NOS2B(201288), NOS2C(645740), NOS3(4846)
mouse ... Nos2(18126)
rat ... Grin2a(24409), Nos1(24598)

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Application

Nω-Nitro-L-arginine has been used:
  • as nitric oxide synthase (NOS) inhibitor, to measure the release of nitric oxide (NO) derivatives in cytochrome c reduction assay
  • to pretreat fiber bundles for contractile studies
  • as NOS inhibitor to characterize the generation of NO in Taxus yunnanensis cells
  • as an irreversible inhibitor of the neuronal NO synthase (nNOS) to preincubate swimbladder preparations

Biochem/physiol Actions

Irreversible inhibitor of constitutive nitric oxide synthase (nNOS) and a reversible inhibitor of inducible nitric oxide synthase (iNOS).
Nω-Nitro-L-arginine/L-NNA helps to reduce the levels of cortical hyperemia and brain cGMP occurring due to hypercapnia.

Features and Benefits

This compound is featured on the Nitric Oxide Synthases page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL9970
BCCH2076
BCCF9639
BCCD9665
1413116V

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Nitric oxide modulates excitation-contraction coupling in the diaphragm
Reid M B, et al.
Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology, 119(1), 211-218 (1998)
Involvement of nitric oxide in oxidative burst, phenylalanine ammonia-lyase activation and Taxol production induced by low-energy ultrasound in Taxus yunnanensis cell suspension cultures.
Wang JW
Nitric Oxide, 15(4), 351-358 (2006)
Mark W Gorman et al.
American journal of physiology. Heart and circulatory physiology, 299(6), H1981-H1989 (2010-09-21)
The adenine nucleotide hypothesis postulates that the ATP released from red blood cells is broken down to ADP and AMP in coronary capillaries and that ATP, ADP, and AMP act on purinergic receptors on the surface of capillary endothelial cells.
Comp Biochem Physiol A Mol Integr Physiol
Schwerte T, et al.
The Journal of Experimental Biology, 202(8), 1005-1013 (1999)
Ai-Ling Lin et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 33(9), 1412-1421 (2013-06-27)
Vascular pathology is a major feature of Alzheimer's disease (AD) and other dementias. We recently showed that chronic administration of the target-of-rapamycin (TOR) inhibitor rapamycin, which extends lifespan and delays aging, halts the progression of AD-like disease in transgenic human
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