1.0 2010-04-08 22:09:53 UTC 2025-11-18 23:32:05 UTC FDB011914 Arginine hydrochloride Dietary supplement, nutrient Arginine (abbreviated as Arg or R) is an alpha-amino acid. The L-form is one of the 20 most common natural amino acids. Arginine hydrochloride, USAN Arginine monochloride Arginine monohydrochloride Arginine monohydrochloride, L-(+)- Arginine, hydrochloride, L- Arginine, monohydrochloride, L- L-Arginine HCL L-Arginine hydrochloride L-Arginine monohydrochloride C6H15ClN4O2 210.662 210.088353451 (2S)-2-amino-5-carbamimidamidopentanoic acid hydrochloride L-arginine hydrochloride 1119-34-2 Cl.N[C@@H](CCCNC(N)=N)C(O)=O InChI=1S/C6H14N4O2.ClH/c7-4(5(11)12)2-1-3-10-6(8)9;/h4H,1-3,7H2,(H,11,12)(H4,8,9,10);1H/t4-;/m0./s1 KWTQSFXGGICVPE-WCCKRBBISA-N belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom. L-alpha-amino acids Organic compounds Organic acids and derivatives Carboxylic acids and derivatives Amino acids, peptides, and analogues Aliphatic acyclic compounds Amino acids Carbonyl compounds Carboximidamides Carboxylic acids Fatty acids and conjugates Guanidines Hydrocarbon derivatives Hydrochlorides Monoalkylamines Monocarboxylic acids and derivatives Organic oxides Organopnictogen compounds Propargyl-type 1,3-dipolar organic compounds Aliphatic acyclic compound Amine Amino acid Carbonyl group Carboximidamide Carboxylic acid Fatty acid Guanidine Hydrocarbon derivative Hydrochloride L-alpha-amino acid Monocarboxylic acid or derivatives Organic 1,3-dipolar compound Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Organopnictogen compound Primary aliphatic amine Primary amine Propargyl-type 1,3-dipolar organic compound melting_point Mp 222 dec. (235°) logp -3.2 ChemAxon pka_strongest_acidic 2.41 ChemAxon pka_strongest_basic 12.41 ChemAxon iupac (2S)-2-amino-5-carbamimidamidopentanoic acid hydrochloride ChemAxon average_mass 210.662 ChemAxon mono_mass 210.088353451 ChemAxon smiles Cl.N[C@@H](CCCNC(N)=N)C(O)=O ChemAxon formula C6H15ClN4O2 ChemAxon inchi InChI=1S/C6H14N4O2.ClH/c7-4(5(11)12)2-1-3-10-6(8)9;/h4H,1-3,7H2,(H,11,12)(H4,8,9,10);1H/t4-;/m0./s1 ChemAxon inchikey KWTQSFXGGICVPE-WCCKRBBISA-N ChemAxon polar_surface_area 125.22 ChemAxon refractivity 53.92 ChemAxon polarizability 17.95 ChemAxon rotatable_bond_count 5 ChemAxon acceptor_count 6 ChemAxon donor_count 5 ChemAxon physiological_charge 1 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 102147 Specdb::MsMs 102148 Specdb::MsMs 102149 Specdb::MsMs 167895 Specdb::MsMs 167896 Specdb::MsMs 167897 odorless