tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate

Also known as: tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxyla, 2-amino-3-tert-butoxycarbonyl-4,5-dimethylthiophene, 4,5-dimethyl-3-tert-butoxycarbonyl-2-aminothiophene, QC-5914, 3-thiophenecarboxylic acid, 2-amino-4,5-dimethyl-, 1,1-dimethylethyl ester

tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate (CAS 108354-76-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H17NO2S and a molecular weight of 227.32300 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 108354-76-3
Jingsj CID: J-1521288-1
Molecular Formula: C₁₁H₁₇NO₂S
Molecular Weight: 227.32300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	227.09800
PSA	80.56000
LogP	3.48360

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate?

The CAS number of tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate is 108354-76-3.

What are the molecular formula and molecular weight of tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate?

tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate has molecular formula C11H17NO2S and molecular weight 227.32300 g/mol.

What are the upstream and downstream products of tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate?

For tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate, Upstream Products: tert-Butyl cyanoacetate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "tert-butyl 2-amino-4,5-dimethylthiophene-3-carboxylate (CAS 108354-76-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521288-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.