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Arginine

CAS: 74-79-3 | C6H14N4O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 74-79-3
Molecular Formula: C6H14N4O2
Molecular Mass: 174.20 g/mol

Names and Synonyms:

Arginine
L-Arginine
Arginine, L-
Arginine
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

Identifiers:

SMILES:
N=C(N)NCCC[C@H](N)C(=O)O
InChI:
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/s1

Key Properties

Melting Point
244 °C CAS Common Chemistry
Density
1.10 g/cm³ CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 174.20 g/mol CAS Common Chemistry
174.204 g/mol RDKit
174.111675688 g/mol RDKit
Density 1.10 g/cm³ CAS Common Chemistry
1.10 g/cm3 CAS Common Chemistry
Wikipedia Url https://en.wikipedia.org/wiki/Arginine CAS Common Chemistry
Canonical SMILES O=C(O)C(N)CCCNC(=N)N CAS Common Chemistry
InChI 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/s1 CAS Common Chemistry
InChI Key InChIKey=ODKSFYDXXFIFQN-BYPYZUCNSA-N CAS Common Chemistry
Melting Point 244 °C CAS Common Chemistry
Name L-Arginine CAS Common Chemistry
Arginine CAS Common Chemistry
Heavy Atom Count 12 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 5 RDKit
Rotatable Bonds 5 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 125.22000000000001 Ų RDKit
LogP -1.338429999999999 RDKit
Molar Refractivity 44.76200000000001 RDKit

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