L-Abrine
L-Abrine (CAS: 526-31-8, C12H14N2O2) is an N-methylated amino acid derivative supplied by Tech Serve Solutions. With a molecular weight of 218.25 g/mol and an assay of 99%, it finds utility in chemical biology and synthesis. It is particularly relevant in the study and development of peptide chemistry and unnatural amino acid derivatives. L-Abrine is a research-grade chemical, meticulously handled and exported by TSS.
- IUPAC
- Nα-Methyl-L-tryptophan
- Synonyms
- Nα-Methyl-L-tryptophan

Chemical Biology Research
L-Abrine serves as a valuable tool in chemical biology, enabling researchers to explore protein structure and function. Its unique N-methylated structure can be incorporated into peptides to investigate modified biological interactions and pathways.
Peptide Synthesis
As a derivative of an unnatural amino acid, L-Abrine is utilised in the synthesis of modified peptides. It allows for the introduction of specific structural changes, potentially leading to novel peptide properties or therapeutic candidates.
Chemical Synthesis Intermediate
This compound acts as an intermediate in complex organic synthesis pathways. Its distinct chemical features make it suitable for building more elaborate molecular architectures in research and development settings.
| Molecular weight | 218.25 |
|---|---|
| Empirical formula | C12H14N2O2 |
| Assay | 99% |
| Optical activity | [α]20/D +65°, c = 1 in 0.5 M NaOH |
| Melting point | >300 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 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 L-Abrine primarily used for?
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L-Abrine is primarily used in chemical biology research, peptide synthesis, and as an intermediate in chemical synthesis, particularly for unnatural amino acid derivatives.
What are the CAS number and formula for L-Abrine?
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The CAS number for L-Abrine is 526-31-8, and its empirical formula (Hill notation) is C12H14N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Abrine with a purity of 99%. This is a research-grade chemical, and TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
How should L-Abrine be handled safely?
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L-Abrine is classified with signal word 'Warning' and hazards H302, H312, and H332 (Harmful if swallowed, in contact with skin, or if inhaled). Safe handling requires wearing a dust mask (type N95 US), eyeshields, and gloves. Store in a well-ventilated place.
Is L-Abrine a controlled substance?
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The provided data does not indicate that L-Abrine is a controlled substance.
How is L-Abrine packed and exported?
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L-Abrine is carefully packed for shipment and export by Tech Serve Solutions, adhering to all necessary regulations for chemical transport.
How can I request a quote or sample for L-Abrine?
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To request a quote or sample of L-Abrine, please contact our sales team through the TSS website or via direct inquiry.
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