tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate

Also known as: tert-butyl 3,4,5-trimethyl-2-pyrrolecarboxylate, t-butyl 3,4,5-trimethylpyrrole-2-carboxylate, 3,4,5-trimethyl-pyrrole-2-carboxylic acid tert-butyl ester, 3,4,5-trimethyl-2-pyrrolecarboxylic acid tert-butyl ester, tert-butyl 3,4,5-trimethylpyrrole-2-carboxylate, 3,4,5-Trimethyl-pyrrol-2-carbonsaeure-tert-butylester, 1H-Pyrrole-2-carboxylic acid, 3,4,5-trimethyl-, 1,1-dimethylethyl ester

tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate (CAS 50634-31-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19NO2 and a molecular weight of 209.28500 g/mol. Key properties include a melting point of 139-141ºC(lit.), a boiling point of 316.3ºC at 760 mmHg, a density of 1.025g/cm3 and a flash point of 145.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 50634-31-6
Jingsj CID: J-17922-6
Molecular Formula: C₁₂H₁₉NO₂
Molecular Weight: 209.28500 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	139-141ºC(lit.)
Boiling Point	316.3ºC at 760 mmHg
Density	1.025g/cm3
Flash Point	145.1ºC
Exact Mass	209.14200
PSA	42.09000
LogP	2.89520
Refractive Index	1.507

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 3,4,5-trimethyl-1H-pyrrole-2-carboxylate?

The CAS number of tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate is 50634-31-6.

What are the molecular formula and molecular weight of tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate?

tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate has molecular formula C12H19NO2 and molecular weight 209.28500 g/mol.

What are the upstream and downstream products of tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate?

For tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate, Upstream Products: tert-Butyl acetoacetate; Downstream Products: 3,4,5-Trimethyl-1H-pyrrole-2-carbaldehyde, 2,3,4-Trimethyl-1H-pyrrole.

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 3,4,5-trimethyl-1H-pyrrole-2-carboxylate (CAS 50634-31-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17922-6 (accessed 2026-11-09).

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