Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate
Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate (CAS 4815-30-9) is a heterocyclic organic compound with the molecular formula C11H15NO4S and a molecular weight of 257.31 g/mol. This thiophene derivative serves as a valuable building block in organic synthesis. Its structure, featuring an amino group and two ester functionalities on a thiophene core, makes it suitable for further chemical modifications and incorporation into more complex molecular architectures.
- Synonyms
- C11H15NO4S

Organic Synthesis Intermediate
This compound is primarily utilised as an intermediate in the synthesis of various organic molecules. Its functional groups allow for diverse chemical reactions, contributing to the construction of novel chemical entities.
Heterocyclic Chemistry
As a thiophene derivative, it is a key component in heterocyclic chemistry research and development. It can be employed in the creation of new thiophene-based compounds with potential applications in pharmaceuticals and materials science.
Building Block for Complex Molecules
The molecule's specific arrangement of amine and ester groups on a thiophene ring makes it a useful building block for constructing complex structures in multi-step synthetic pathways.
| Molecular weight | 257.31 |
|---|---|
| Empirical formula | C11H15NO4S |
| Assay | 99% |
| Melting point | 105-108 °C(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.
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 Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate used for?
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Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate (CAS 4815-30-9) is used as a building block and intermediate in organic synthesis, particularly within heterocyclic chemistry.
What is the CAS number and molecular formula for this compound?
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The CAS number is 4815-30-9, and the empirical formula is C11H15NO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate with an assay of 99%. We do not represent this product as USP, BP, or EP grade.
What are the main hazards associated with this chemical?
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This compound is classified with GHS07 symbol and a 'Warning' signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and adherence to international shipping regulations for chemicals like Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate.
How can I request a sample or a quote for Diethyl 5-amino-3-methyl-2,4-thiophenedicarboxylate?
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To request a sample or obtain a quote, please contact our sales team through the website or via direct inquiry, providing your requirements and shipping details.
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