L-Tyrosine hydrochloride
L-Tyrosine hydrochloride (CAS: 16870-43-2), with the molecular formula HOC6H4CH2CH(NH2)CO2H·HCl and a molecular weight of 217.65 g/mol, is the hydrochloride salt of the amino acid L-Tyrosine. This compound is primarily utilised in biochemical research and as a building block in organic synthesis. Its properties make it a valuable reagent for various laboratory applications.
- IUPAC
- 3-(4-Hydroxyphenyl)-L-alanine hydrochloride,3-(4-Hydroxyphenyl)-L-alanine
- Synonyms
- 3-(4-Hydroxyphenyl)-L-alanine hydrochloride

Biochemical Research
L-Tyrosine hydrochloride serves as a crucial reagent in biochemical studies, including investigations into protein synthesis and enzyme activity. It is often used as a substrate or component in cell culture media to support biological processes.
Organic Synthesis
The compound is employed as an intermediate in the synthesis of more complex organic molecules. Its specific structure allows for targeted chemical modifications in the development of novel compounds.
Laboratory Reagent
As a well-defined chemical entity, L-Tyrosine hydrochloride is a standard laboratory reagent for a range of analytical and synthetic procedures. It is suitable for general laboratory use where high purity is required.
| Molecular weight | 217.65 |
|---|---|
| Linear formula | HOC6H4CH2CH(NH2)CO2H·HCl |
| Assay | ≥98% (TLC) |
| Melting point | 239 °C (dec.)(lit.) |

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) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioReagent |
|---|
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 L-Tyrosine hydrochloride primarily used for?
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L-Tyrosine hydrochloride is primarily used in biochemical research and as an intermediate in organic synthesis. It is also a common laboratory reagent for various analytical and synthetic procedures.
What is the CAS number and formula for L-Tyrosine hydrochloride?
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The CAS number for L-Tyrosine hydrochloride is 16870-43-2, and its linear formula is HOC6H4CH2CH(NH2)CO2H·HCl.
What grade and purity does Tech Serve Solutions supply for L-Tyrosine hydrochloride?
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Tech Serve Solutions supplies L-Tyrosine hydrochloride with an assay of ≥98% (TLC). We do not represent this product as USP, BP, or EP grade.
What are the safety precautions when handling L-Tyrosine hydrochloride?
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L-Tyrosine hydrochloride is classified as a Warning substance, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). When handling, use a dust mask type N95 (US), wear eyeshields and gloves, and avoid breathing dust. Ensure adequate ventilation.
Is L-Tyrosine hydrochloride typically exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including L-Tyrosine hydrochloride.
How can I request a sample or a quote for L-Tyrosine hydrochloride?
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To request a sample or a quote for L-Tyrosine hydrochloride, please contact our sales team via the website or your designated account manager.
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