4-Borono-D-phenylalanine

CAS 111821-49-9C9H12BNO4Chemical Synthesis

4-Borono-D-phenylalanine (CAS: 111821-49-9; Formula: C9H12BNO4; MW: 209.01) is a specialised unnatural amino acid derivative. It is primarily utilised in chemical synthesis and peptide chemistry. Its unique boronic acid functional group offers specific reactivity, making it valuable for developing novel chemical entities and in biochemical research applications. Supplied by TSS with a purity of ≥97.0% (HPLC).

IUPAC: 4-Dihydroxyboryl-D-phenylalanine

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4-Borono-D-phenylalanine (C9H12BNO4) — chemical structure, CAS 111821-49-9; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical BiologyChemical SynthesisPeptide ChemistryPhenylalanine Derivatives

01 /Applications

Chemical Synthesis

Serves as a building block in organic synthesis, particularly for creating complex molecules with specific functionalities. Its boronic acid moiety is useful in various coupling reactions.

Peptide Chemistry

Incorporated into peptides as an unnatural amino acid to modify their structure, stability, or biological activity. It can be used to create peptidomimetics or to study protein-ligand interactions.

Chemical Biology

Employed as a tool in chemical biology research for probing biological systems. Its structure can be leveraged for developing enzyme inhibitors or as a component in boronate-based drug delivery systems.

02 /Properties

Molecular weight	209.01
Empirical formula	C9H12BNO4
Assay	≥97.0% (HPLC)
Optical activity	[α]/D +6.0±1.0°, c = 0.5 in 2% HCl
Storage temperature	2-8°C

03 /Safety & handling

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	36/37/38
Safety statements (S)	26

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

111821-49-9

MDL number

MFCD02093061

Beilstein registry

9202597

05 /Quality & supply

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.

06 /Frequently asked questions

What is 4-Borono-D-phenylalanine used for?

4-Borono-D-phenylalanine is used in chemical synthesis, peptide chemistry, and chemical biology research as a specialised building block and unnatural amino acid derivative.

What are the CAS number and chemical formula for 4-Borono-D-phenylalanine?

The CAS number is 111821-49-9 and the chemical formula is C9H12BNO4.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 4-Borono-D-phenylalanine with a minimum purity of 97.0% as determined by HPLC. This product is not supplied as USP, BP, or EP grade.

How should 4-Borono-D-phenylalanine be handled safely?

Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation, as it may cause respiratory irritation.

How is 4-Borono-D-phenylalanine shipped and exported?

This product is typically stored at 2-8°C. Tech Serve Solutions exports chemicals globally, adhering to all relevant shipping and customs regulations.