L-Threonyl-L-leucine - ≥95% , CAS No.50299-12-2

CAS: 50299-12-2 Cat. No.: B301264 Molecular Weight: 232.28
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
(2S)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-4-methylpentanoic acid | threonylleucine | Threonyl-leucine | L-Thr-L-Leu | Q27144970 | TL dipeptide | T-L Dipeptide | MFCD00083825 | Threoninylleucine | Threoninyl-Leucine | Threonine-Leucine dipeptide |
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
B301264-100mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$99.90
500mg
B301264-500mg
2
$359.90
1g
B301264-1g
1
$579.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
(2S)-2-[[(2S, 3R)-2-amino-3-hydroxybutanoyl]amino]-4-methylpentanoic acid | threonylleucine | Threonyl-leucine | L-Thr-L-Leu | Q27144970 | TL dipeptide | T-L Dipeptide | MFCD00083825 | Threoninylleucine | Threoninyl-Leucine | Threonine-Leucine dipeptide |
Specifications & Purity
≥95%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504764666
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764666
Canonical SmilesCC(C)CC(C(=O)O)NC(=O)C(C(C)O)N
IUPAC Name(2S)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-4-methylpentanoic acid
InChIKeyBQBCIBCLXBKYHW-CSMHCCOUSA-N
INCHI1S/C10H20N2O4/c1-5(2)4-7(10(15)16)12-9(14)8(11)6(3)13/h5-8,13H,4,11H2,1-3H3,(H,12,14)(H,15,16)/t6-,7+,8+/m1/s1
Isomeric SMILES C[C@H]([C@@H](C(=O)N[C@@H](CC(C)C)C(=O)O)N)O
Molecular Weight 232.28
Reaxy-Rn 38117028
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=38117028&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Peptides
Direct ParentDipeptides
Alternative Parents Leucine and derivatives  N-acyl-L-alpha-amino acids  Alpha amino acid amides  Hydroxy fatty acids  Methyl-branched fatty acids  N-acyl amines  Secondary carboxylic acid amides  Secondary alcohols  Amino acids  Carboxylic acid salts  Carboxylic acids  Monocarboxylic acids and derivatives  Monoalkylamines  Hydrocarbon derivatives  Organic oxides  Organic salts  Carbonyl compounds  Organic zwitterions  Organopnictogen compounds  
Molecular FrameworkAliphatic acyclic compounds
Substituents Alpha-dipeptide - Leucine or derivatives - N-acyl-l-alpha-amino acid - N-acyl-alpha-amino acid - N-acyl-alpha amino acid or derivatives - Alpha-amino acid amide - Alpha-amino acid or derivatives - Branched fatty acid - Hydroxy fatty acid - Methyl-branched fatty acid - Fatty amide - N-acyl-amine - Fatty acyl - Fatty acid - Amino acid or derivatives - Carboxamide group - Carboxylic acid salt - Amino acid - Secondary alcohol - Secondary carboxylic acid amide - Carboxylic acid - Monocarboxylic acid or derivatives - Alcohol - Hydrocarbon derivative - Primary aliphatic amine - Organic oxygen compound - Organic oxide - Organic salt - Organic nitrogen compound - Carbonyl group - Organopnictogen compound - Organic zwitterion - Organonitrogen compound - Organooxygen compound - Primary amine - Amine - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
External Descriptors dipeptide
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

7 results found

Lot NumberCertificate TypeDateItem
C2623055Certificate of AnalysisApr 03, 2026 B301264
J2514112Certificate of AnalysisOct 27, 2025 B301264
L2125093Certificate of AnalysisOct 23, 2024 B301264
L2125094Certificate of AnalysisOct 23, 2024 B301264
K2112315Certificate of AnalysisAug 21, 2024 B301264
K2112325Certificate of AnalysisAug 21, 2024 B301264
K2112326Certificate of AnalysisAug 21, 2024 B301264
Chemical and Physical Properties
SensitivityMoisture sensitive
Molecular Weight232.280 g/mol
XLogP3-2.700
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count5
Rotatable Bond Count6
Exact Mass232.142 Da
Monoisotopic Mass232.142 Da
Topological Polar Surface Area113.000 Ų
Heavy Atom Count16
Formal Charge0
Complexity255.000
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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