Methyl 3-amino-4-methylthiophene-2-carboxylate
Methyl 3-amino-4-methylthiophene-2-carboxylate (CAS 85006-31-1, C7H9NO2S) is a heterocyclic organic compound with a molecular weight of 171.22 g/mol. It serves as a valuable building block in chemical synthesis, particularly for the construction of more complex thiophene derivatives. Its structure lends itself to various research and development applications within medicinal chemistry and materials science, offering functional groups for further chemical modification.
- IUPAC
- 3-Amino-4-methylthiophenecarboxylic acid methyl ester
- Synonyms
- 3-Amino-4-methylthiophenecarboxylic acid methyl ester

Chemical Synthesis Intermediate
This compound is utilized as a key intermediate in organic synthesis, facilitating the creation of novel molecules. Its reactive amino and ester functionalities allow for diverse chemical transformations.
Heterocyclic Chemistry Research
As a substituted thiophene derivative, it is employed in research focused on heterocyclic chemistry. It can be a starting material for synthesizing compounds with potential biological activity.
Medicinal Chemistry Building Block
The molecule serves as a versatile building block in medicinal chemistry programs aimed at discovering new therapeutic agents. Its scaffold can be incorporated into lead compounds.
| Molecular weight | 171.22 |
|---|---|
| Empirical formula | C7H9NO2S |
| Assay | 97% |
| Melting point | 85-88 °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) | 2 |
| 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 Methyl 3-amino-4-methylthiophene-2-carboxylate used for?
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Methyl 3-amino-4-methylthiophene-2-carboxylate is primarily used as a building block and intermediate in chemical synthesis, particularly in the fields of heterocyclic chemistry and medicinal chemistry research.
What are the CAS number and formula for Methyl 3-amino-4-methylthiophene-2-carboxylate?
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The CAS number is 85006-31-1, and the empirical formula is C7H9NO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methyl 3-amino-4-methylthiophene-2-carboxylate with an assay of 97%. This product is intended for research and chemical synthesis purposes and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should Methyl 3-amino-4-methylthiophene-2-carboxylate be handled safely?
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Handle Methyl 3-amino-4-methylthiophene-2-carboxylate with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. It is classified as a Warning substance (GHS07) with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Can I request a sample or quote for this chemical?
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Yes, please contact our sales team or use the online form to request a sample or a quote for Methyl 3-amino-4-methylthiophene-2-carboxylate.
How is this chemical exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. We adhere to all necessary regulations for international shipping and export of laboratory reagents and chemical intermediates.
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