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Nω-Nitro-L-arginine methyl ester hydrochloride

Also known as: L-NAME hydrochloride, NG-Nitro-L-arginine-methyl ester hydrochloride, H-Arg(NO2)-OMe·HCl, N'-Nitro-L-arginine-methyl ester hydrochloride, Nω-Nitro-L-arginine methyl ester hydrochloride, N-Nitro-L-arginine methyl ester hydrochloride, L-NG-Nitroarginine Methyl Ester hydrochloride

Nω-Nitro-L-arginine methyl ester hydrochloride (CAS 51298-62-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H16ClN5O4 and a molecular weight of 269.69 g/mol. Key properties include a melting point of 157-161 °C (dec.), a boiling point of 383.5ºC at 760 mmHg and a flash point of 185.8ºC. It is listed by 1 supplier, from 7.04 to 8.40 CNY. Record last updated Aug 21, 2026.

CAS No.
51298-62-5
Jingsj CID
J-48832-5
Molecular Formula
C7H16ClN5O4
Molecular Weight
269.69 g/mol
Category
Organic Acids
Last updated
8/21/2026
Made to Order

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97%
500g
¥3,520.00
$1.05 /gBest
¥7.04/g CNY
CN China
MOQ 500g
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97%
100g
¥820.00
$1.23 /g
¥8.20/g CNY
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97%
25g
¥210.00
$1.26 /g
¥8.40/g CNY
CN China
MOQ 25g

Physicochemical Properties

Melting Point157-161 °C (dec.)
Boiling Point383.5ºC at 760 mmHg
Flash Point185.8ºC
Exact Mass269.089081
PSA146.05000
LogP1.47960
Refractive Index15 ° (C=3, MeOH)
SMILESCOC(=O)[C@H](CCCN=C(N)N[N+](=O)[O-])N.Cl
InChIKeyQBNXAGZYLSRPJK-JEDNCBNOSA-N
InChI1S/C7H15N5O4.ClH/c1-16-6(13)5(8)3-2-4-10-7(9)11-12(14)15;/h5H,2-4,8H2,1H3,(H3,9,10,11);1H/t5-;/m0./s1

Activity & Biological Data

TargetIC50: 70 μM (NOS)[1]
Additional Information[1]. Pfeiffer S, et al. Inhibition of nitric oxide synthesis by NG-nitro-L-arginine methyl ester (L-NAME): requirement forbioactivation to the free acid, NG-nitro-L-arginine. Br J Pharmacol. 1996 Jul;118(6):1433-40. [2]. Kopincová J, et al. L-NAME in the cardiovascular system - nitric oxide synthase activator? Pharmacol Rep. 2012;64(3):511-20. [3]. Lo HC, et al. The Nitric Oxide Synthase Inhibitor NG-Nitro-L-Arginine Methyl Ester Diminishes the Immunomodulatory Effects of Parental Arginine in Rats with Subacute Peritonitis. PLoSOne. 2016 Mar 23;11(3):e0151973. [4]. Luo H, et al. Effect of nitric oxide synthase inhibitor L-NAME on fear extinction in rats: a task-dependent effect. Neurosci Lett. 2014 Jun 20;572:13-8. [5]. Ocsan RJ, et al. Chronic NG-nitro-l-arginine methyl ester (L-NAME) administration in C57BL/6J mice induces a sustained decrease in c-kit positive cells during development of cardiac hypertrophy. J Physiol Pharmacol. 2013 Dec;64(6):727-36.

Frequently Asked Questions

What is the CAS number of Nω-Nitro-L-arginine methyl ester hydrochloride?

The CAS number of Nω-Nitro-L-arginine methyl ester hydrochloride is 51298-62-5.

What are the molecular formula and molecular weight of Nω-Nitro-L-arginine methyl ester hydrochloride?

Nω-Nitro-L-arginine methyl ester hydrochloride has molecular formula C7H16ClN5O4 and molecular weight 269.69 g/mol.

Which suppliers offer Nω-Nitro-L-arginine methyl ester hydrochloride?

1 supplier(s) listed; reference unit price ¥7.04–8.40 /g.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Nω-Nitro-L-arginine methyl ester hydrochloride (CAS 51298-62-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48832-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.