Arginine
Properties
- Molecular formula
- C6H14N4O2
- Molar mass
- 174.20 g/mol
- Exact mass
- 174.1117 Da
- Density
- 1.1 g/mL
- Melting point
- 244 °C
- pKa
- 2.18, 9.09, 13.2
- logP
- -1.34Crippen estimate
- Polar surface area
- 125.2 Ų
- H-bond donors / acceptors
- 5 / 3
- Rotatable bonds
- 5
- Stereocentres
- Sin SMILES atom order
Hazards
Warning
- H319 Causes serious eye irritation13.3% of notifiers
Aggregated from 1,818 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P264+P265, P280, P305+P351+P338, P337+P317
Identifiers
CAS number
74-79-3SMILES
N=C(N)NCCC[C@H](N)C(=O)OInChIKey
ODKSFYDXXFIFQN-BYPYZUCNSA-NInChI
InChI=1S/C6H14N4O2/c7-4(5(11)12)2-1-3-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10)/t4-/m0/s1Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
16 names · show all
- L-Arginine
- Arginine, L-
- Pentanoic acid, 2-amino-5-[(aminoiminomethyl)amino]-, (S)-
- L-(+)-Arginine
- (S)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid
- L-Norvaline, 5-[(aminoiminomethyl)amino]-
- L-Ornithine, N5-(aminoiminomethyl)-
- L-α-Amino-δ-guanidinovaleric acid
- L-Arg
- NSC 206269
- L-Arginine C Grade
- A 0526
- (2S)-2-Amino-5-(diaminomethylideneamino)pentanoic acid
- 42: PN: WO2020027640 SEQID: 105 claimed protein
- 42: PN: KR20200014684 SEQID: 105 claimed sequence
- 117: PN: WO2021061872 SEQID: 117 claimed protein
Work with Arginine
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
D-Arginine157-06-2Enantiomer
(±)-Arginine7200-25-1Stereo not defined
L-Arginine L-pyroglutamate56265-06-6Salt
Arginine glutamate4320-30-3Salt
L-(+)-Arginine monohydrochloride1119-34-2Salt
D-Arginine hydrochloride627-75-8Salt, enantiomer
Aspirin arginine salt37466-21-0Salt
Diarginine α-ketoglutarate5256-76-8Salt
Arginine hydrochloride15595-35-4Salt
Arginine α-oxoglutarate16856-18-1Salt
Arginine aspartate7675-83-4Salt
Arginine acetate71173-62-1Salt
Similar compounds
Homoarginine156-86-591 % similar
L-Homoarginine hydrochloride1483-01-884 % similar
Citrulline372-75-879 % similar
Citrulline627-77-079 % similar
Homocitrulline1190-49-472 % similar
H-D-Cit-oh13594-51-968 % similar
Nomega-Propyl-L-arginine137361-05-866 % similar
N-Acetyl-L-arginine155-84-058 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds