DL-α-Amino-2-thiopheneacetic acid
DL-α-Amino-2-thiopheneacetic acid (CAS: 21124-40-3; Formula: C6H7NO2S; MW: 157.19) is a specialised organic compound. It serves as a key building block in chemical synthesis, particularly in the development of novel molecules within chemical biology and peptide chemistry. This unnatural amino acid derivative is supplied by TSS for research and development purposes.
- IUPAC
- DL-α-Amino-2-thienylacetic acid,DL-2-(2-Thienyl)glycine
- Synonyms
- DL-2-(2-Thienyl)glycine

Chemical Synthesis Intermediate
Utilised as a precursor in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs). Its unique structure allows for versatile chemical modifications.
Peptide Chemistry
Incorporated into peptides to introduce non-proteinogenic amino acid residues, enabling the study of peptide structure-activity relationships and the development of peptidomimetics.
Chemical Biology Research
Employed in the design and synthesis of probes or modified biomolecules for investigating biological processes and pathways at a molecular level.
Development of Unnatural Amino Acids
Serves as a starting material or intermediate in the creation of a diverse range of unnatural amino acid derivatives for various research applications.
| Molecular weight | 157.19 |
|---|---|
| Empirical formula | C6H7NO2S |
| Assay | 97% |
| Melting point | 208-210 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 DL-α-Amino-2-thiopheneacetic acid used for?
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DL-α-Amino-2-thiopheneacetic acid is primarily used as an intermediate in chemical synthesis, for applications in chemical biology, peptide chemistry, and the development of unnatural amino acid derivatives for research purposes.
What are the CAS number and chemical formula for DL-α-Amino-2-thiopheneacetic acid?
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The CAS number is 21124-40-3 and the chemical formula is C6H7NO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies DL-α-Amino-2-thiopheneacetic acid with an assay of 97%. This product is intended for research and development purposes and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should DL-α-Amino-2-thiopheneacetic acid be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if necessary. Consult the safety data sheet for comprehensive handling instructions.
Is DL-α-Amino-2-thiopheneacetic acid a controlled substance?
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The provided data does not indicate that DL-α-Amino-2-thiopheneacetic acid (CAS: 21124-40-3) is a controlled substance.
How is DL-α-Amino-2-thiopheneacetic acid packaged and exported?
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Tech Serve Solutions carefully packages chemicals for secure domestic and international shipment, adhering to all relevant export regulations for chemical substances.
How can I request a quote or sample of DL-α-Amino-2-thiopheneacetic acid?
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To request a quote or sample, please contact the TSS sales team via the website or designated contact channels, providing your specific requirements.
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