

share
2-Thiophenecarboxylic Acid, 5-[[(1,1-Dimethylethoxy)Carbonyl]Amino]-, Methyl Ester CAS NO 666853-39-0
Unit Price:
CAS No.:666853-39-0
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2-Thiophenecarboxylic Acid, 5-[[(1,1-Dimethylethoxy)Carbonyl]Amino]-, Methyl Ester is a high-value, multi-functional thiophene derivative that serves as a critical building block in advanced organic synthesis. Its molecular structure, featuring both a protected amino group and an ester moiety, makes it an indispensable intermediate for constructing complex molecules with precision. This compound is primarily sought after by R&D and production teams in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.
Application
- Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules targeting central nervous system and metabolic disorders.
- Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for bioactivity.
- Material Science Research: Serves as a monomer or functionalizing agent in the development of conductive polymers and organic electronic materials.
- Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalytic systems used in cross-coupling reactions.
- Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and contract research organizations (CROs/CMOs) requiring specific, high-purity heterocyclic compounds.
- Chemical Biology & Proteomics: Utilized as a building block for creating chemical probes and affinity tags to study biological processes.
Basic Information
| Product Name | 2-Thiophenecarboxylic Acid, 5-[[(1,1-Dimethylethoxy)Carbonyl]Amino]-, Methyl Ester |
| CAS No. | 666853-39-0 |
| Molecular Formula | C12H15NO4S |
| Molecular Weight | 269.32 g/mol |
| Synonyms | 5-[(tert-Butoxycarbonyl)amino]thiophene-2-carboxylic acid methyl ester; Methyl 5-[(tert-butoxycarbonyl)amino]thiophene-2-carboxylate; Methyl 5-(Boc-amino)thiophene-2-carboxylate; Boc-5-Amino-2-thiophenecarboxylic Acid Methyl Ester; 5-(Boc-amino)-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 5-[(1,1-dimethylethoxy)carbonyl]amino]-, methyl ester; t-Butyl N-(5-methoxycarbonyl-2-thienyl)carbamate |
| EINECS | Contact for details |
Quality Control
Every batch of our 2-Thiophenecarboxylic Acid, 5-[[(1,1-Dimethylethoxy)Carbonyl]Amino]-, Methyl Ester is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the exacting standards required for pharmaceutical and fine chemical synthesis. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and impurity profiles as determined by advanced chromatographic and spectroscopic methods.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or an inert atmosphere.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Single Unknown Impurity (HPLC) | ≤ 0.5% |
| Total Impurities (HPLC) | ≤ 2.0% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


1,12-Dodecanediol Dimethacrylate CAS NO 72829-09-5


Triethyl Methanetricarboxylate CAS NO 6279-86-3


Ethyl Acetoacetate Propylene Glycol Ketal CAS NO 6290-17-1


Ethyl Methyl Oxalate CAS NO 615-52-1


Methyl 2-Methoxy-5-(Ethylsulfonyl)Benzoate CAS NO 62140-67-4


Ethyl Bromofluoroacetate CAS NO 401-55-8


Methyl 4-Bromophenylacetate CAS NO 41841-16-1


3-Acetyl-3-Chlorodihydrofuran-2(3H)-One CAS NO 2986-00-7


2,3-Di-o-Para-Toluoyl-D-Tartaric Acid CAS NO 32634-68-7


Malonic Acid Bis(2,4,6-Trichlorophenyl) Ester CAS NO 15781-70-1


Di-tert-Butyl L-(+)-Tartrate CAS NO 117384-45-9


Methyl Decanoate CAS NO 110-42-9


Rel-Stearic Acid [(2S*)-2α*-Phenyl-1,3-Dioxolane]-4α*-Ylmethyl Ester CAS NO 56599-88-3


n-Tosyl-L-Alanine 3-Indoxyl Ester CAS NO 75062-54-3


Dimethyl Acetylenedicarboxylate CAS NO 762-42-5


Ethyl (R)-3-Hydroxybutyrate CAS NO 24915-95-5


p-Nitrophenethyl Acetate CAS NO 104-30-3


Methyl Cyanoacetate CAS NO 105-34-0


Diethyl Carbonate CAS NO 105-58-8


Isoamyl Nitrite CAS NO 110-46-3
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






