HBTU [Coupling Reagent for Peptide] TCI B1657

Chemical Identity

Other names: HBTU
CAS No.: 94790-37-1
PubChem: CID 2733084·SID 87564558
Formula: C11H16F6N5OP
Molecular weight: 379.24 g/mol
Purity: >98.0%(HPLC)
Reference databases: ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: [benzotriazol-1-yloxy(dimethylamino)methylidene]-dimethylazanium hexafluorophosphate
SMILES: CN(C)C(=[N+](C)C)ON1C2=CC=CC=C2N=N1.F[P-](F)(F)(F)(F)F
InChIKey: UQYZFNUUOSSNKT-UHFFFAOYSA-N

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Hydroxybenzotriazole (HBTU) is a coupling reagent widely used in peptide synthesis. It functions as a covalent reagent that activates the functional groups on resin, facilitating the attachment of amino acids during peptide synthesis. In laboratory settings, HBTU is essential for the efficient and reliable synthesis of peptides, particularly in solid-phase peptide synthesis (SPPS). Its role is critical in enabling the formation of stable peptide bonds between amino acids and the solid support, ensuring high yields and purity in the final product. This reagent is particularly favored for its stability and reactivity, making it a reliable choice for researchers in chemical biology and peptide chemistry.

HBTU is known for its chemical stability and high reactivity, which are key factors in its effectiveness as a coupling agent. Its molecular structure allows for the formation of covalent bonds with the resin, enhancing the efficiency of peptide synthesis. The reagent maintains its activity under a variety of laboratory conditions, making it suitable for use in different experimental setups. Its ability to remain active without degrading ensures consistent results, which is crucial in research environments where reproducibility is essential. These properties make HBTU a preferred choice for both academic and industrial applications in peptide chemistry.

In Indonesian laboratories, HBTU is commonly used in biotechnology, pharmaceutical, and chemical biology research. It plays a vital role in the development of synthetic peptides with medical and industrial applications. Many research institutions and universities in Indonesia rely on HBTU for producing high-quality peptides, contributing to advancements in drug discovery and protein engineering. Its widespread use underscores its importance in the scientific community, particularly in regions where peptide-based research is growing.

TCI brochures (PDF)

Condensing Agents 2025-11-18 · p. 7
Amino Acids and Peptide Synthesis Reagents 2025-08-14 · p. 37
Reagents for Biological Research 2025-03-11 · p. 59

Related TCI products

Solid-Phase Peptide Synthesis (SPPS) utilizes HBTU to activate resin-bound amino acids, enabling efficient peptide bond formation.
Peptide Drug Development benefits from HBTU's stability and reactivity, supporting the synthesis of bioactive peptides for therapeutic applications.
Protein Engineering research relies on HBTU to create modified proteins with enhanced functional properties.
Biotechnology laboratories use HBTU for the production of synthetic peptides with applications in diagnostics and therapeutics.
Chemical Biology studies employ HBTU to investigate peptide interactions and structural modifications in complex biological systems.

Brand	TCI
CAS number	94790-37-1
Molecular formula	—
Purity	—
Category	Chemistry > Chemical Biology > Peptide Chemistry
Pack sizes	Available in various quantities as per supplier specifications
Physical form	Solid powder
Storage	Store in a cool, dry place away from light and moisture

HBTU should be stored in a cool, dry environment, away from direct light and moisture to maintain its chemical stability. It is recommended to use airtight containers to prevent exposure to humidity and contaminants. Due to its reactivity, it should be handled with care in a well-ventilated area, and appropriate personal protective equipment should be worn. Avoid contact with incompatible substances and ensure proper disposal according to local regulations. Regular monitoring of storage conditions ensures the reagent remains effective for laboratory use.

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