H-Arg(NO2)-OH

Modify Date: 2026-08-02 15:06:49

H-Arg(NO2)-OH Structure
H-Arg(NO2)-OH structure
Common Name H-Arg(NO2)-OH
CAS Number 2149-70-4 Molecular Weight 219.199
Density 1.7±0.1 g/cm3 Boiling Point 462.4±55.0 °C at 760 mmHg
Molecular Formula C6H13N5O4 Melting Point 257 °C (dec.)(lit.)
MSDS Chinese USA Flash Point 233.5±31.5 °C

 Use of H-Arg(NO2)-OH


Nitroarginine, or Nω-nitro-L-arginine, is a nitro derivative of the amino acid arginine. It is an inhibitor of nitric oxide synthase and hence a vaso-constrictor and coronary constrictor. As such, it finds widespread use as a biochemical tool in the study of nitric oxide and its biological effects. Nitroarginine has been used in research studying coronary constriction, in the presence of midazolam vasodilatation was unaffected by nitroarginine. Nitroarginine is currently in clinical trials for treating patients with advanced solid tumors.

 Names

Name N'-Nitro-L-arginine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Boiling Point 462.4±55.0 °C at 760 mmHg
Melting Point 257 °C (dec.)(lit.)
Molecular Formula C6H13N5O4
Molecular Weight 219.199
Flash Point 233.5±31.5 °C
Exact Mass 219.096756
PSA 157.05000
LogP -0.79
Vapour Pressure 0.0±2.4 mmHg at 25°C
Index of Refraction 1.638
InChIKey MRAUNPAHJZDYCK-BYPYZUCNSA-N
SMILES NC(=NCCCC(N)C(=O)O)N[N+](=O)[O-]

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn
Risk Phrases R22
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3

 Synthetic Route

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H-Arg(NO2)-OH Structure

H-Arg(NO2)-OH

CAS#:2149-70-4

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Literature: Hoppe-Seyler's Zeitschrift fuer Physiologische Chemie, , vol. 224, p. 40,43

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H-Arg(NO2)-OH Structure

H-Arg(NO2)-OH

CAS#:2149-70-4

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Literature: Justus Liebigs Annalen der Chemie, , vol. 642, p. 145 - 162

~%

H-Arg(NO2)-OH Structure

H-Arg(NO2)-OH

CAS#:2149-70-4

Learn More
Literature: Chemische Berichte, , vol. 97, p. 3312 - 3316 Bulletin of the Chemical Society of Japan, , vol. 38, p. 1148 - 1157

~%

H-Arg(NO2)-OH Structure

H-Arg(NO2)-OH

CAS#:2149-70-4

Learn More
Literature: Hoppe-Seyler's Zeitschrift fuer Physiologische Chemie, , vol. 72, p. 489

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 H-Arg(NO2)-OHBioassay

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Name: Primary qHTS for small molecule stabilizers of the endoplasmic reticulum resident pro...
Source: NCGC
Target: N/A
External Id: SERCaMPGLuc-p1-antagonist
Name: Inhibition of neurosphere proliferation of mouse neural precursor cells by MTT assay
Source: ChEMBL
Target: N/A
External Id: CHEMBL1266185
Name: Primary qHTS assay for inhibitors of alpha-synuclein gene (SNCA) expression
Source: NCGC
External Id: SNCA-p-activity-luciferase
Name: ERK5 transcriptional activity HTS
Source: 24565
Target: N/A
External Id: ERK5 transcriptional activity-HTS
Name: qHTS Validation Assay for Inhibitors of Ubiquitin-specific Protease USP2a Using CHOP2...
Source: NCGC
Target: ubiquitin carboxyl-terminal hydrolase 2 isoform a [Homo sapiens]
External Id: UBCH001
Name: Rescue cell viability in cybrid cells with a genetic mutation in complex 1 of the mit...
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: N/A
External Id: HMS1315
Name: Dicer-mediated maturation of pre-microRNA
Source: Center for Chemical Genomics, University of Michigan
Target: N/A
External Id: TargetID_659_CEMA
Name: Inhibition of human DDAH1 at 1 mM by HPLC
Source: ChEMBL
Target: N(G),N(G)-dimethylarginine dimethylaminohydrolase 1
External Id: CHEMBL1020493
Name: Selectivity ratio of Ki for bovine eNOS to Ki for rat nNOS
Source: ChEMBL
Target: N/A
External Id: CHEMBL2343337
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 Synonyms

(S)-2-Amino-5-(3-nitroguanidino)pentanoic acid
ARG(NO2)
L-NNA
N-ω-NITRO-L-ARGININE
L-NOARG
Nω-Nitro-L-arginine
(S)-2-Aminobut-3-enoic acid
H-Arg(NO2)-OH
H-ARG(NO2)-OME
Nω-Nitro-L-arginine (L-NNA)
NG-nitro-L-arginine
EINECS 218-418-9
MFCD00007033
NG-NO2-L-ARG
L-NA,L-NNA
L-NA
L-NO2ARG
nitroarginine
Nomega-nitro-L-arginine
L-NNA N5-(Nitroamidino)-L-2,5-diaminopentanoic acid NG-NO2-L-Arg
L-NG-nitroarginine
N-(N-Nitrocarbamimidoyl)-L-ornithine
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