Basic information
- CAS
3303-31-9- Standard SMILES
CC(C)C[C@H](NC(=O)[C@@H]([NH3+])CC(C)C)C(=O)[O-]- InChIKey
LCPYQJIKPJDLLB-UWVGGRQHSA-N- Molecular formula
- C12H24N2O3
- Average molar mass
- 244.33 g/mol
- Monoisotopic mass
- 244.17869263
Overview
Leu-Leu zwitterion is an L-aminoacyl-L-amino acid zwitterion resulting from transfer of a proton from the carboxy to the amino group of L-leucyl-L-leucine; major species at pH 7.3. It is a tautomer of a Leu-Leu.
Names & identifiers
- Preferred name
- LL dipeptide zwitterion
- IUPAC
- (2S)-2-[[(2S)-2-azaniumyl-4-methylpentanoyl]amino]-4-methylpentanoate
- English name
- H-Leu-Leu-OH
- Molecular formula
- C12H24N2O3
- Molecular weight
- 244.33
Names & synonyms
LL zwitterionLeu-Leu zwitterionLL dipeptide zwitterionL-Leu-L-Leu zwitterionL-leucyl-L-leucine zwitterionCHEBI:191208LEU-LEUL-LEUCYL-L-LEUCINELLLeu-Leu-OHN-L-leucyl-L-leucineNSC 89185
Show more names
L-LEU-L-LEUH-Leu-Leu-OHL-Leu-L-Leu-OHleu-leu free base
Database identifiers
- CAS
3303-31-9- PubChem CID
- 6992072
- ChEBI
CHEBI:191208
Properties
Computed structural properties
- XLogP
- -0.8
- Topological polar surface area
- 96.9 Ų
- Hydrogen bond donors
- 2
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 6
- Heavy atoms
- 17
- Formal charge
- 0
- Complexity
- 259
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
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
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].
Suppliers100 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]
浙江珲达生物科技有限公司0571-89903022 18679456698 · [email protected]
上海鸿肽生物科技有限公司15318089928 · [email protected]
河南英田生物科技有限公司0370-4053511; 18339993703 · [email protected]
Hangzhou Sage Chemical Co., Ltd.+86057186818502 13588463833 · [email protected]
安耐吉化学&3A（安徽泽升科技有限公司）021-58432009 400-005-6266 · [email protected]
梯希爱（上海）化工贸易有限公司021-61109150 · [email protected]
杭州思诺达医药科技有限责任公司0571-87213919 17306812703 · [email protected]
Related reactions
0 records
No reaction records under the current filter.
Compound notes
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