H-Arg(Tos)-OH

Also known as: H-Arg(Tos)-OH, H-L-Arg(Tos)-OH, N'-p-Tosyl-L-arginine, N-omega-Tosyl-L-arginine, NG-Tosyl-L-arginine, (S)-2-Amino-5-(3-tosylguanidino)pentanoic acid, (2S)-2-amino-5-[[amino-[(4-methylphenyl)sulfonylamino]methylidene]amino]pentanoic acid, L-Ornithine, N5-[imino[[(4-methylphenyl)sulfonyl]amino]methyl]-, MFCD00236800

H-Arg(Tos)-OH (CAS 4353-32-6) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C13H20N4O4S and a molecular weight of 328.387 g/mol. Key properties include a boiling point of 557.3±60.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 290.9±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4353-32-6
Jingsj CID: J-1962370-2
Molecular Formula: C₁₃H₂₀N₄O₄S
Molecular Weight: 328.387 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	557.3±60.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	290.9±32.9 °C
Exact Mass	328.120514
PSA	153.75000
LogP	0.65
Vapor Pressure	0.0±1.6 mmHg at 25°C
Refractive Index	1.622
Storage Conditions	-15°C

Activity & Biological Data

Additional Information	[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

Customs & Trade Information

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of H-Arg(Tos)-OH?

The CAS number of H-Arg(Tos)-OH is 4353-32-6.

What are the molecular formula and molecular weight of H-Arg(Tos)-OH?

H-Arg(Tos)-OH has molecular formula C13H20N4O4S and molecular weight 328.387 g/mol.

What are the upstream and downstream products of H-Arg(Tos)-OH?

For H-Arg(Tos)-OH, Upstream Products: Boc-Arg(Tos)-OH, Nα-Z-Nω-(4-toluenesulfonyl)-L-arginine, Nalpha-Carbobenzyloxy-L-arginine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "H-Arg(Tos)-OH (CAS 4353-32-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962370-2 (accessed 2026-11-09).

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