(R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid
(R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid (CAS: 103733-65-9) is a chiral building block with the molecular formula C10H11NO2. Possessing a molecular weight of 177.20 g/mol, this compound is primarily utilised in chemical synthesis and peptide chemistry. Its specific stereochemistry makes it valuable for constructing complex molecules and unnatural amino acid derivatives in research and development settings. Tech Serve Solutions supplies this chemical with a minimum assay of 98.0%.
- Synonyms
- 4-Tetrahydro-3-isoquinolinecarboxylic acid(R)-Tetrahydroisoquinoline-3-carboxylic acid

Chemical Synthesis
Serves as a key chiral intermediate in the synthesis of complex organic molecules. Its defined stereochemistry is crucial for stereoselective reactions in advanced chemical research.
Peptide Chemistry
Used in the construction of modified peptides and peptidomimetics. It enables the incorporation of non-proteinogenic amino acid structures for novel biological activity.
Unnatural Amino Acid Derivatives
A valuable precursor for creating unnatural amino acid derivatives. These derivatives find applications in medicinal chemistry and the development of novel therapeutic agents.
Chemical Biology Research
Employed as a building block in chemical biology to probe biological systems and develop molecular tools. Its structure can be incorporated into probes or modified ligands.
| Molecular weight | 177.20 |
|---|---|
| Empirical formula | C10H11NO2 |
| Assay | ≥98.0% (T) |
| Optical activity | [α]20/D +164±3°, c = 2% in 1 M NaOH |
| Impurities tested | ≤1% water |

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.
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 (R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid used for?
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(R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid is primarily used in chemical synthesis, peptide chemistry, and as a building block for unnatural amino acid derivatives in research and development.
What are the CAS number and formula for this compound?
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The CAS number is 103733-65-9, and its molecular formula is C10H11NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid with a minimum assay of ≥98.0% (T). It is supplied as a research or technical grade chemical and not represented as USP, BP, or EP.
How should (R)-1,2,3,4-Tetrahydro-3-isoquinolinecarboxylic acid be handled?
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This compound is classified as a Warning, 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. Ensure good ventilation and avoid breathing dust.
Is this chemical suitable for direct human or animal consumption?
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No, this chemical is intended for laboratory research and industrial use only and is not suitable for direct human or animal consumption. It has not been tested or approved for pharmaceutical, nutraceutical, or food applications.
How is this product packed and shipped?
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This product is carefully packed according to industry standards for chemical export and transportation. For specific packaging requirements or shipping queries, please contact our sales team.
How can I request a sample or a quote?
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To request a sample or a quotation, please visit the product page on our website or contact our customer service team directly. Please provide your contact information and the quantity required.
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