Determine the necessary mass, volume, or concentration for preparing a solution.
≥98 atom% 13C,≥98 atom% 15N,≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Protected from light,Desiccated Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
L-Leucine-1- 13 C, 15 N is the 13 C- and 15 N-labeled L-Leucine. L-Leucine is an essential branched-chain amino acid (BCAA), which activates the mTOR signaling pathway.
| Canonical Smiles | CC(C)CC(C(=O)O)N |
|---|---|
| IUPAC Name | (2S)-2-(15N)azanyl-4-methyl(113C)pentanoic acid |
| InChIKey | ROHFNLRQFUQHCH-XAAHKOKXSA-N |
| INCHI | 1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1/i6+1,7+1 |
| Isomeric SMILES | CC(C)C[C@@H]([13C](=O)O)[15NH2] |
| Alternate CAS | 61-90-5(unlabelled) |
| Molecular Weight | 133.16 |
| Reaxy-Rn | 636005 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=636005&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Amino acids, peptides, and analogues |
| Intermediate Tree Nodes | Amino acids and derivatives - Alpha amino acids and derivatives |
| Direct Parent | Leucine and derivatives |
| Alternative Parents | L-alpha-amino acids Methyl-branched fatty acids Amino acids Monocarboxylic acids and derivatives Carboxylic acids Organopnictogen compounds Organic oxides Monoalkylamines Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Leucine or derivatives - Alpha-amino acid - L-alpha-amino acid - Branched fatty acid - Methyl-branched fatty acid - Fatty acid - Fatty acyl - Amino acid - Monocarboxylic acid or derivatives - Carboxylic acid - Organic oxide - Organopnictogen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Carbonyl group - Organic oxygen compound - Amine - Organic nitrogen compound - Hydrocarbon derivative - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as leucine and derivatives. These are compounds containing leucine or a derivative thereof resulting from reaction of leucine at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Apr 09, 2026 | L646385 | |
| Certificate of Analysis | Apr 09, 2026 | L646385 | |
| Certificate of Analysis | Apr 09, 2026 | L646385 | |
| Certificate of Analysis | Apr 09, 2026 | L646385 | |
| Certificate of Analysis | Apr 09, 2026 | L646385 |
| Sensitivity | light & Moisture sensitive |
|---|---|
| Melt Point(°C) | >300℃ (lit.) |
| Molecular Weight | 133.160 g/mol |
| XLogP3 | -1.500 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 133.095 Da |
| Monoisotopic Mass | 133.095 Da |
| Topological Polar Surface Area | 63.300 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 101.000 |
| Isotope Atom Count | 2 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |