| Phytochemical Name : Leucine |
| PCNDIDL0035 |
| Pubchem CID : 6106 |
| Molecular formula: C6H13NO2 |
| Canonical SMILES : CC(C)CC(C(=O)O)N |
Synonymes : L-leucine|leucine|61-90-5|(S)-2-Amino-4-methylpentanoic acid|(S)-Leucine|H-Leu-OH|(2S)-2-amino-4-methylpentanoic acid|Leucin|(S)-(+)-Leucine|L-Norvaline, 4-methyl-|LEUCINE, L-|(S)-2-Amino-4-methylvaleric acid|leu|L-alpha-Aminoisocaproic acid|Leucinum|FEMA No. 3297|(2S)-alpha-leucine|L-leucin|Leucin [German]|L-(-)-2-Amino-4-methylpentanoic acid|alpha-Aminoisocaproic acid|Leucine (VAN)|Leucina|L-(+)-Leucine|Leucine [USAN:INN]|Leucinum [INN-Latin]|L-Leuzin|Leucina [INN-Spanish]|2-amino-4-methylvaleric acid|Leucine, l|Valeric acid, 2-amino-4-methyl-, (S)-|Leucina [Latin,Spanish]|Pentanoic acid, 2-amino-4-methyl-, (S)-|2-Amino-4-methylpentanoic acid, (S)-|2-Amino-4-methylvaleric acid (L)|AI3-08899|2-Amino-4-methylpentanoic acid (L)|NSC 46709|UNII-GMW67QNF9C|(2S)-alpha-2-amino-4-methylvaleric acid|GMW67QNF9C|EINECS 200-522-0|NSC-46709|L-Leu|Leucine (L-Leucine)|CHEBI:15603|HSDB 7799|alpha-Amino-gamma-methylvaleric acid|CHEMBL291962|DTXSID9023203|L-Leucine, labeled with tritium|EC 200-522-0|L(+)-Leucine|Leucina (Latin,Spanish)|LEUCINE (II)|LEUCINE [II]|LEUCINE (MART.)|LEUCINE [MART.]|MFCD00002617|Leuzin|Hleu|LEUCINE (EP MONOGRAPH)|LEUCINE [EP MONOGRAPH]|LEUCINE (USP MONOGRAPH)|LEUCINE [USP MONOGRAPH]|L-Isomer Leucine|VALINE IMPURITY C (EP IMPURITY)|VALINE IMPURITY C [EP IMPURITY]|Norvaline, 4-methyl-|71000-80-1|Leucine, L Isomer|Leucine, L-Isomer|(2S)-2-amino-4-methylpentanoate|L-a-Aminoisocaproic acid|2-amino-4-methylpentanoicacid|NSC9252|Valeric acid, 2-amino-4-methyl-|L-leucina|l- leucine|LeuOH|1lan|1usk|3h-l-leucine|4-methyl-norvalin|L-2-Amino-4-methylpentanoic acid|L-Leucine;|(L)-leucine|.alpha.-Amino-.gamma.-methylvaleric acid|(3H)Leucine|H-Leu|Leucine (USP)|L-a-Aminoisocaproate|4-methyl-l-norvalin|L-Leucine,(S)|Leucine (H-3)|4-methyl-L-Norvaline|L-Leu-OH|(2S)-2-amino-4-methyl-pentanoic acid|H-Leu-OH USP grade|1f2o|starbld0005460|L-Leucine (JP17)|L-alpha-Aminoisocaproate|LEUCINE [VANDF]|LEUCINE [HSDB]|LEUCINE [INCI]|LEUCINE [USAN]|LEUCINE [INN]|LEUCINE [MI]|L-LEUCINE [FCC]|L-LEUCINE [JAN]|2-Aminoisobutylacetic acid|L-LEUCINE [FHFI]|LEUCINE [WHO-DD]|bmse000042|bmse000920|D0W4MZ|L-Leucine, 99%, FG|SCHEMBL3889|NCIStruc1_001860|NCIStruc2_000010|iso-C4H9CH(NH2)COOH|2-amino-4-methyl-valericaci|L-LEUCINE [USP-RS]|C6H12NO2T|2-Amino-4-methyl-valeric acid|DTXCID903203|GTPL3312|L-.alpha.-Aminoisocaproic acid|(S)-2-Amino-4-methylvalerate|Norvaline, 4-methyl-, (L)-|1,2-Amino-4-methylvaleric acid|(S)-2-Amino-4-methylpentanoate|(s)-2-amino-4-methylvalericacid|IS_LEUCINE-5,5,5-D3|Pentanoic acid, 2-amino-4-methyl|Pharmakon1600-01301005|C6-H12-N-O2-T|HY-N0486|NCI46709|STR01720|L-Leucine, Vetec(TM), 98.5%|BDBM50219348|CCG-37658|NCGC00013565|NSC760100|s3753|Oxirane, 2,3-bis(2-chlorophenyl)-|(S)-2-Amino-4-methyl-pentanoic acid|2-Amino-4-methylvaleric acid, (L)-|AKOS010373766|AKOS015841779|AM81871|CS-W020705|DB00149|NSC-760100|2-Amino-4-methylpentanoic acid, (L)-|L-Leucine, tested according to Ph.Eur.|NCGC00013565-02|NCGC00096678-01|Certified Reference Material of L-leucine|E641|LS-87803|1-Leucine;2-Amino-4-methylpentanoic acid|L-Leucine, BioUltra, >=99.5% (NT)|L-Leucine, SAJ special grade, >=99.0%|BB 0256932|L-Leucine, reagent grade, >=98% (HPLC)|L0029|EN300-52627|L-Leucine, Vetec(TM) reagent grade, >=98%|C00123|D00030|F70226|L-2700|M03060|(2S)-2-azaniumyl-4-methyl-pentanoate;H-Leu-OH|L-Leucine, Cell Culture Reagent (H-L-Leu-OH)|A821449|A833479|Q483745|Q-201312|(2R)-2-amino-4-methyl-pentanoic acid;D-HOMO-VALINE|L-Leucine, certified reference material, TraceCERT(R)|LYSINE HYDROCHLORIDE IMPURITY A [EP IMPURITY]|2B9FF792-3CA1-4BEA-BC63-6D4E1A86714E|F8889-8638|Leucine, European Pharmacopoeia (EP) Reference Standard|Z756437526|L-Leucine, United States Pharmacopeia (USP) Reference Standard|(S)-2-Amino-4-methyl-pentanoic acid methyl ester hydrochloride|L-Leucine, Pharmaceutical Secondary Standard; Certified Reference Material|25248-98-0|L-Leucine, from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0% |
| Structure | |
| 3D structure | 2D structure |
![]() |
| Log Po/w (iLOGP) : 1.150 |
| Log Po/w (XLOGP3) : -1.520 |
| Log Po/w (WLOGP) : 0.440 |
| Log Po/w (MLOGP) : -1.820 |
| Log Po/w (SILICOS-IT) : -0.150 |
| Consensus Log Po/w : -0.380 |

