L-leucyl-L-leucine

HCID 76807CAS 3303-31-9

Substructure search Find similar structures

Basic information

Standard SMILES: CC(C)C[C@H](NC(=O)[C@@H](N)CC(C)C)C(=O)O
InChIKey: LCPYQJIKPJDLLB-UWVGGRQHSA-N
Molecular formula: C12H24N2O3
Average molar mass: 244.33 g/mol
Monoisotopic mass: 244.17869263

Names & identifiers

Preferred name: L-leucyl-L-leucine
IUPAC: (2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylpentanoic acid
English name: H-Leu-Leu-OH
Molecular formula: C12H24N2O3
Molecular weight: 244.33

Names & synonyms

Leu-Leu3303-31-9l-Leucyl-l-leucineN-L-Leucyl-L-leucine(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylpentanoic acidCHEBI:73531DTXSID00186696(2S)-2-(((2S)-2-amino-4-methylpentanoyl)amino)-4-methylpentanoic acidRefChem:1088214DTXCID40109187221-976-6H-LEU-LEU-OH

Show more names

LLNSC 89185L-Leu-L-Leu-OHleu-leu free base

Leu-Leu-OH(S)-2-((S)-2-Amino-4-methylpentanamido)-4-methylpentanoic acidLeucine, leucyl-L-Leu-L-LeuMFCD00065185LL dipeptideH-L-Leu-L-Leu-OHCHEMBL54933

Database identifiers

CAS: 3303-31-9
PubChem CID: 76807
DTXSID: DTXSID00186696
ChEMBL: CHEMBL54933
ChEBI: CHEBI:73531
EC Number: 221-976-6
Nikkaji: J80.685D

Properties

Computed structural properties

XLogP: -1.5
Topological polar surface area: 92.4 Å²
Hydrogen bond donors: 3
Hydrogen bond acceptors: 4
Rotatable bonds: 7
Heavy atoms: 17
Formal charge: 0
Complexity: 264

Experimental & physicochemical properties

LogP-0.87

Physical DescriptionSolid

Physicochemical properties

Melting point: 270 · 270-272℃ (decomposition)
Boiling point: 432.7 · 432.7±30.0 °C(Predicted)
Density: 1.051 · 1.051±0.06 g/cm3(Predicted)
storage temp.: -20 °C · Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility: Methanol (Slightly, Heated), Water (Slightly, Sonicated)
form: Solid
pka: 3.16 · 3.16±0.10(Predicted)
color: White to Off-White
InChI: InChI=1S/C12H24N2O3/c1-7(2)5-9(13)11(15)14-10(12(16)17)6-8(3)4/h7-10H,5-6,13H2,1-4H3,(H,14,15)(H,16,17)/t9-,10-/m0/s1
InChIKey: LCPYQJIKPJDLLB-UWVGGRQHSA-N
SMILES: C(O)(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)N
UNSPSC Code: 12352202 · 12352202
NACRES: 26 · NA.26
Symbol(GHS): 7 · GHS07
Signal word: Warning
Hazard statements: 302 · H302-H315-H319-H335
Precautionary statements: 261 · P261-P280-P301+P312-P302+P352-P305+P351+P338
PPE: 95 · Eyeshields, Gloves, type N95 (US)
WGK Germany: 3 · 3
Storage Class: 11 · 11 - Combustible Solids

Safety & regulation

Safety data

PPE: Eyeshields, Gloves, type N95 (US)
wgk: 3
Signal word: Warning
Symbol(GHS): GHS07
Storage Class: 11 - Combustible Solids
Hazard statements: H302-H315-H319-H335
Precautionary statements: P261-P280-P301+P312-P302+P352-P305+P351+P338

Chemistry & industry

Applications

UsesLeu-Leu-OH (L-Leucyl-L-leucine), a Leu derivative, is a neutral dipeptide that can be used to study the functionality of dileucine motifs[1].

Suppliers50 total

衢州润东化工有限公司0570-8789886 18892685668 · [email protected]

上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]

江苏生康迈翔科技有限公司18217475093 · [email protected]

苏州市森菲达化工有限公司18796480002 18796480002 · [email protected]

Baoji Guokang Healthchem co.,ltd+8615604608665 15604608665 · [email protected]

Additional notes

DefinitionChEBI: A dipeptide formed from two L-leucine residues.

Related reactions

3 records

New reaction record

HRID 341745As reactantuspto-grants-1999_01

HRID 1899768As reactantuspto-grants-1996_11

HRID 1952707As reactantuspto-grants-2000_09

Linked notes

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