Leu-Leu
Leu-Leu (CAS: 3303-31-9), a dipeptide with the molecular formula C12H24N2O3 and a molecular weight of 244.33 g/mol, is supplied by Tech Serve Solutions. This compound belongs to the broader category of peptides and biochemical reagents. It is primarily utilised in research and laboratory settings. Stored at -20°C, it is an important building block for various biochemical investigations.

Biochemical Research
Leu-Leu serves as a fundamental dipeptide in biochemical research. Its structure makes it valuable for studying peptide synthesis, protein degradation pathways, and as a component in complex biological assays.
Laboratory Reagent
As a defined chemical entity, Leu-Leu functions as a standard reagent in analytical and synthetic laboratories. It is employed in studies requiring well-characterized peptide substrates or building blocks.
Peptide Synthesis Studies
This dipeptide is useful in research focused on peptide bond formation and modification. It can be used as a starting material or intermediate in the synthesis of larger, more complex peptide chains.
| Molecular weight | 244.33 |
|---|---|
| Empirical formula | C12H24N2O3 |
| Storage temperature | −20°C |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Leu-Leu used for?
+
Leu-Leu is primarily used in biochemical research and as a laboratory reagent for studies involving peptide synthesis and analysis.
What is the CAS number and formula for Leu-Leu?
+
The CAS number for Leu-Leu is 3303-31-9, and its molecular formula is C12H24N2O3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Leu-Leu as a research-grade chemical. We do not represent this product as USP, BP, or EP grade unless explicitly stated otherwise in product documentation.
How should Leu-Leu be handled and stored?
+
Leu-Leu requires careful handling using appropriate personal protective equipment, including eyeshields, gloves, and a type N95 or P1 respirator filter. It should be stored at -20°C.
Is Leu-Leu a controlled substance?
+
Based on the provided data, there is no indication that Leu-Leu (CAS: 3303-31-9) is a controlled substance.
How is Leu-Leu packed and shipped?
+
Leu-Leu is typically packed in suitable containers for chemical transport and exported globally by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a quote or sample of Leu-Leu?
+
To request a quote or sample of Leu-Leu, please contact our sales department through the TSS website or by direct inquiry, providing your specific requirements.
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis